[c-nsp] ASR1k to ASR9k CLNS MTU problems

[Xu Hu]

You can use show imds interface GiX/X/X to check different layer of MTU and
compare between IOS-XR and XE.


2013/5/27 Adam Vitkovsky <adam.vitkovsky at swan.sk>

> Hi Folks,
> Has anyone encountered ISIS/CLNS MTU issues between ASR1k and ASR9k please?
>
> sh isis int / sh clns int
> - shows MTU:  9177 on both ends.
>
> debug isis adj-packets / debug isis adj det
> - shows that both routers are sending IIHs with Length 9177 -though they do
> not receive any IIHs from each other.
>
> Only after I have instructed both routers to never pad IIHs (no to check
> mtu) the adjacency came up.
> So they clearly have problems with CLNS MTU.
>
> A1k  XE 15.3(1)S1
> interface GigabitEthernet0/0/2
>  mtu 9180
>
> A9k XR 4.2.3
> interface Bundle-Ether201.3206
>  mtu 9198
>
>
> adam
>
>
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