* junipertech at gmail.com (josh) [Sun 27 Nov 2005, 13:30 CET]: >i am wondering does changing the MTU affect routing protocol metric or >its not part of the metric calculation ? Not in any IGP that I'm aware of. Be careful when changing it, though, OSPF won't form adjacencies in the case of an MTU mismatch between peers. -- Niels. --