[c-nsp] uBR10K PRE4-RP Version 12.2(33)SCG6 - PFX Crashes

[Skyler Blumer]

A few off-net replies let me know that attachments don't work on this 
list, but I will provide them off list if anyone is willing to help.

On 3/12/18 9:09 PM, Skyler Blumer wrote:
> Hello,
>
> In the past two weeks, we've had 4 different UBR10Ks with PRE4s crash 
> for unknown reasons. They're all on 12.2(33)SCG6, and have been with 
> no issues for about two years. We didn't make any configuration 
> changes, or push any new features leading up to this, they just seemed 
> to happen out of nowhere.
>
> I've attached running-configs and crash-logs from 3 of the CMTS'. Also 
> I managed, to get a 'show stack' from one of them because it has 
> redundant PREs and wasn't cold rebooted.
>
> Some additional background - We contract with a third party for our 
> CMTS/Modem NMS that our CSRs use. It's mostly SNMP. based, but they do 
> have limited read-only ssh access to screen-scrap a few things. I only 
> say this because maybe they started using a different command that 
> exposed some bug. This is completely grasping at straws, but it's the 
> only thing I could think of that may have changed.
>
> Anyway, has anyone had similar issues with this version of IOS or any 
> version with a PRE4 for that matter? Any experience with a show 
> command that crashed the PRE and if so what command was it? If anyone 
> can find anything significant from the logs/configs I attached that 
> would be amazing, I've been banging my head against this for the past 
> couple weeks.
>
> Let me know if you need more information.
>
> _______________________________________________
> cisco-nsp mailing list  cisco-nsp at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-nsp
> archive at http://puck.nether.net/pipermail/cisco-nsp/