How to set permanent mtu size for ppp0

mtuubuntu-14.04vpn

Every time I connect to my VPN, I should run

sudo ifconfig ppp0 mtu 1300

How could I make it permanent?

I am using Ubuntu 14.04.

Best Answer

I've tried to apply Farshad's solution on ubuntu 16, and it wasn't working.

Only small fix was needed there - remove sudo inside your script, because everything inside /etc/network/if-up.d/ dir is already run as root user

#!/bin/sh

if [ "$IFACE" = "ppp0" ]; then
    ifconfig ppp0 mtu 1300
fi
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