I finally found an answer online. The solution is to add a script to /etc/network/if-up.d/. In the script, call ifconfig to set the mtu size:
#!/bin/sh
ifconfig eth0 mtu 9000
Make the script executable by setting its permission to 755
I finally found an answer online. The solution is to add a script to /etc/network/if-up.d/. In the script, call ifconfig to set the mtu size:
#!/bin/sh
ifconfig eth0 mtu 9000
Make the script executable by setting its permission to 755