I want to increase the Ethernet Maximum Transmission Unit (MTU) for some hosts on a local network. Is there a known sequence of steps to follow? Or, can I just tweak each host's MTU as needed and it will "just work"?
One condition is only some hosts will have MTU increased. All hosts must be able to communicate with all other hosts. Secondly, assume all switches and routers can support up to 9000 byte Ethernet frames.
I could probably guess most of the steps. However, I have a feeling there is some corner-case "gotcha"s that could cause difficult problems. Or perhaps there is some definitive test to do afterward that will demonstrate everything is working well.