[c-nsp] GRE tunnels on 9k

[Arie Vayner]

Can you try and define what was different during the 10% of the tests that
worked?
When it doesn't work, what exactly doesn't work?
Maybe share a few config examples and how you test if it works or doesn't
work...

On Tue, Jun 20, 2017, 06:27 Nick Cutting <ncutting at edgetg.com> wrote:

> Sorry - I mean nexus 9k, rather than ASR9000
> And the ASr920 tunnels were ASR - ASR, not ASR -> nexus
>
> -----Original Message-----
> From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of
> Nick Cutting
> Sent: Tuesday, June 20, 2017 9:25 AM
> To: cisco-nsp (cisco-nsp at puck.nether.net) <cisco-nsp at puck.nether.net>
> Subject: [c-nsp] GRE tunnels on 9k
>
> Good morning,
>
> I am having some really crazy results when testing GRE tunnels on nexus
> 9k's.
>
> They seem to work about 10 percent of the time.
> I am going a little mad thinking about where the stars and planets were
> when these tunnels worked.
>
> This is with the source and destination in the global table, and testing
> the tunnel IP, both in a VRF and in the global table.
> This has been tested using both loopbacks as a source, and the outgoing
> interfaces.  Although I want to use loopbacks as we are using L3 multi-path.
> I have searched the bug database I don't see anything strange . going to
> hit up TAC.  Tunnels over the same links on a terminated on ASR920 work
> fine.
>
> Has anyone had any good / bad experiences with tunnels on the 9k?
>
> Thank you,
> nick
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