IOS-XE mtu values are consistent with IOS. (IOS-XR is different to IOS/XE with regards to the different L2/L3 values).
Brad > -----Original Message----- > From: cisco-nsp [mailto:cisco-nsp-boun...@puck.nether.net] On Behalf Of > vinny_abe...@dell.com > Sent: Wednesday, 26 November 2014 04:58 > To: nsp.li...@gmail.com; cisco-nsp@puck.nether.net > Subject: Re: [c-nsp] Cisco IIH padding > > Dell - Internal Use - Confidential > > The first five IS-IS hellos are still padded to the full MTU size and > subsequent > hellos are not once the adjacency is formed... this is to detect MTU > mismatches. If you cannot fix the MTU mismatch for some reason, you can also > work around it by setting the clns mtu size to match on both sides which > should also work. I would recommend setting the physical MTU of the > interface to what is supported on the link, though. I'm not familiar with > IOS-XE, > but I know IOS-XR and IOS need to have their MTU's adjusted accordingly, > which means they won't be the same numeric value. Someone more familiar > with IOS-XE may know if this is also an issue or not. > > -Vinny > > -----Original Message----- > From: cisco-nsp [mailto:cisco-nsp-boun...@puck.nether.net] On Behalf Of > Alex K. > Sent: Tuesday, November 25, 2014 12:52 AM > To: cisco-nsp@puck.nether.net > Subject: [c-nsp] Cisco IIH padding > > Hello everybody, > > Although I have “no hello padding” configured, the adjacency won't come up > until I limit the CLNS MTU on some link in my network (there is an MTU issue > on that link, it's not 1500). > > As far as I remember, Cisco IOS implementation of IS-IS will *still send out > first* IIHs padded, never mind I had “no hello padding” *configured*. > On the other hand, it seems like that isn't documented. Can anybody kindly > point out for me (and probably, for the rest of the list) the correct > documentation for that and if this is still relevant for modern IOS/IOS-XE > versions? > > > Thank you. > _______________________________________________ > cisco-nsp mailing list cisco-nsp@puck.nether.net > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > > _______________________________________________ > cisco-nsp mailing list cisco-nsp@puck.nether.net > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ _______________________________________________ cisco-nsp mailing list cisco-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
