[c-nsp] NCS-5001 - MPLS L3VPN Issue

Jared Mauch jared at puck.nether.net
Wed Mar 9 15:29:14 EST 2016

> On Mar 9, 2016, at 3:27 PM, Tom Hill <tom at ninjabadger.net> wrote:
> On 08/03/16 09:27, James Bensley wrote:
>> This issue didn't show up in lab testing and we haven't been able to
>> replicate it (nor have TAC). It seems to be something about the
>> ordering of patching and that was the point I wanted to highlight but
>> poorly eluded to.
>> A fresh 4.3.4 install then add SP10 and it "just works". This box was
>> 4.3.4 default, then some SMUs, then SP6 and then SP10 (each upgrade
>> was suggested by TAC because of a different issue ocuring over the
>> lifecycle of the box).
> Presumably to "prove" this (or rather, to add any evidence at all) it's
> wipe & reinstall time for the affected 9001?
> I'm not trying to get your back up here - I'm more concerned about FUD
> vs. actual, operational experience. XR is not perfect, but this doesn't
> appear to be a problem affecting anyone other than yourself?

We’ve seen odd issues which we have not yet root caused around the software
installation and troubles.  Cisco has not been able to reproduce, but we have
seen it numerous times.  It’s still possible there is some PBCAK but given
the nature of other issues we’ve seen, it’s unlikely.

- Jared

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