[c-nsp] Cisco IIH padding

[Mark Tinka]

On Tuesday, November 25, 2014 08:28:27 PM 
Vinny_Abello at dell.com wrote:

> 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.

IOS and IOS XE will have the same MTU.

IOS XR will be whatever IOS and IOS XE is + 14 bytes 
(Ethernet).

Mark.
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