Examine or Change the MTU of the Lighthouse VPN Tunnel

The Maximum Transmission Unit (MTU) setting can be configured for traffic through the Lighthouse VPN in an attempt to solve MTU path discovery problems.

The maximum transmission unit (MTU) is the size, in bytes, of the largest packet supported by a network layer protocol, including both headers and data.

To modify the MTU of the Lighthouse VPN tunnel select SETTINGS > SERVICES > Lighthouse VPN.

Allowed values are between 1280 and 1500.

Image of the Lighthouse Ui showing how to view or edit MTU settings