To change the MTU of the router or firewall when the router is configured for IPPT (IP passthrough mode), contact your hardware manufacturer. While in IPPT mode, changing the MTU on a WAN interface will not apply.
To change the MTU of the router or firewall when the router is configured for IPPT (IP passthrough mode), contact your hardware manufacturer. While in IPPT mode, changing the MTU on a WAN interface will not apply.