Option to set MTU size (#930)

* option to change mtu value

ct/adguard-v5.sh

@@ -116,6 +116,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -225,6 +227,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -358,7 +371,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/alpine-v5.sh

@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -223,6 +225,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -337,7 +350,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/archlinux-v5.sh

@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/blocky-v5.sh

@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/casaos-v5.sh

@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -228,6 +230,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -351,7 +364,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/changedetection-v5.sh

@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -340,7 +353,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/cronicle-v5.sh

@@ -115,6 +115,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -224,6 +226,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -388,7 +401,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/daemonsync-v5.sh

@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/dashy-v5.sh

@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -367,7 +380,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/debian-v5.sh

@@ -113,6 +113,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -222,6 +224,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -336,7 +349,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/deconz-v5.sh

@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/docker-v5.sh

@@ -116,6 +116,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -227,6 +229,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -348,7 +361,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/emby-v5.sh

@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -235,6 +237,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -360,7 +373,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/emqx-v5.sh

@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -340,7 +353,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/esphome-v5.sh

@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -347,7 +360,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/grafana-v5.sh

@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/grocy-v5.sh

@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -340,7 +353,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/heimdalldashboard-v5.sh

@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -420,7 +433,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/homeassistant-core-v5.sh

@@ -120,6 +120,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -230,6 +232,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -417,7 +430,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/homeassistant-v5.sh

@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -230,6 +232,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -416,7 +429,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/homebridge-v5.sh

@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/homepage-v5.sh

@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -347,7 +360,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/hyperion-v5.sh

@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -227,6 +229,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -342,7 +355,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/influxdb-v5.sh

@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/iobroker-v5.sh

@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/jellyfin-v5.sh

@@ -120,6 +120,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -237,6 +239,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -350,7 +363,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/k0s-v5.sh

@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/keycloak-v5.sh

@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -227,6 +229,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -342,7 +355,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/magicmirror-v5.sh

@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -227,6 +229,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -343,7 +356,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/mariadb-v5.sh

@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/meshcentral-v5.sh

@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/motioneye-v5.sh

@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -340,7 +353,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/mqtt-v5.sh

@@ -115,6 +115,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -224,6 +226,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/n8n-v5.sh

@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -227,6 +229,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/navidrome-v5.sh

@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -352,7 +365,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/nextcloudpi-v5.sh

@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/nginxproxymanager-v5.sh

@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -227,6 +229,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -450,7 +463,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/nocodb-v5.sh

@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -344,7 +357,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/node-red-v5.sh

@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -377,7 +390,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/omada-v5.sh

@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -235,6 +237,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -339,7 +352,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/omv-v5.sh

@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -227,6 +229,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -342,7 +355,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/openhab-v5.sh

@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -227,6 +229,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -342,7 +355,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/paperless-ngx-v5.sh

@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -227,6 +229,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -409,7 +422,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/photoprism-v5.sh

@@ -116,6 +116,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -225,6 +227,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -362,7 +375,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/pihole-v5.sh

@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/plex-v5.sh

@@ -119,6 +119,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -236,6 +238,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -360,7 +373,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/podman-homeassistant-v5.sh

@@ -121,6 +121,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -230,6 +232,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -391,7 +404,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/podman-v5.sh

@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/postgresql-v5.sh

@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/prometheus-v5.sh

@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/scrypted-v5.sh

@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -227,6 +229,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -342,7 +355,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/shinobi-v5.sh

@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -235,6 +237,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -351,7 +364,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/syncthing-v5.sh

@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -227,6 +229,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -342,7 +355,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/technitiumdns-v5.sh

@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -403,7 +416,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/trilium-v5.sh

@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -360,7 +373,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/ubuntu-v5.sh

@@ -114,6 +114,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -231,6 +233,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -344,7 +357,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/umbrel-v5.sh

@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -228,6 +230,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -349,7 +362,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/unifi-v5.sh

@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/uptimekuma-v5.sh

@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -227,6 +229,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -358,7 +371,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/vaultwarden-v5.sh

@@ -116,6 +116,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -409,7 +422,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/whoogle-v5.sh

@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -340,7 +353,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/wikijs-v5.sh

@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -227,6 +229,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -354,7 +367,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/wireguard-v5.sh

@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -396,7 +409,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/yunohost-v5.sh

@@ -113,6 +113,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -222,6 +224,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -336,7 +349,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/zigbee2mqtt-v5.sh

@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -227,6 +229,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -371,7 +384,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE

ct/zwave-js-ui-v5.sh

@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -354,7 +367,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE