[c-nsp] ISIS and MTU mismatch

Jason Lixfeld jason at lixfeld.ca
Mon Mar 26 08:48:24 EDT 2012


On 2012-03-25, at 3:34 PM, Randy wrote:

> ...so a "sh ip int vlan x" says ip mtu 1998?
> I can understand "sh int vlan x" would reflect the system mtu.
> ./Randy

Indeed.  show ip int does indeed inherit the routed MTU.

So one other riddle - when I set the MTU of the ES port to 1600, the ISIS adjacency stays up.  Shouldn't that get torn down?


More information about the cisco-nsp mailing list