Setting MTU topic (again)

Installing and Using OpenWrt Network and Wireless Configuration

vgaetera March 24, 2021, 12:40pm 2

Distribute the correct MTU to the clients Network and Wireless Configuration

No problem, it should be fine. You don't need to reduce MTU for LAN-to-LAN commutication. And PMTUD tells your clients to decrease MTU for LAN-to-WAN traffic traversing your router. You can verify it with tracepath from a Linux host.

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