I wanted to enable jumbo frames on my Omnia, but I’ve quickly learned that Linux assigns bridges the lowest MTU of all bridged interfaces. So, using the default network setup, the bridge contains both LAN and wifi ports, and the bridge allows the maximum MTU of these, which is <2k because of the wifi.
So I thought about creating two bridges, one for LAN ports and one for wifi… But I’d like to keep the simple network setup where there is only one /24 subnet served by one DHCP server and all clients can ping each other regardless of their connection type.
Do you have any ideas how to achieve this? Or would I have to split my network to two /25 subnets, one for wired and one for wireless clients, and set up a route between these subnets? Or is it possible to create a bridge of bridges? So that when traffic goes from LAN to LAN, it would just go through the lower-level bridge with 9k MTU, and if it needs to go LAN to wireless, it’d traverse all 3 bridges and get the MTU of the top-level bridge, which would be equal to the wifi MTU?