<Keepalives are temporarily in throttle due to closed TCP window>

Wed Sep 16 19:00:38 UTC 2009

> I checked the MTUs on the 3550s and I am seeing the Fast E
> interfaces are still showing 1500 bytes. Would increasing the MTU size
> on the switches cause any harm? 

The 3550s are very limited with respect to MTU - the standard model
can only do up to 1546 byte, while I believe the -12G model can to
2000 byte. In any case - you won't get a 4470 byte packet through a
3550. Also, changing the MTU on the 3550 requires a reboot.

Steinar Haug, Nethelp consulting, sthaug at nethelp.no