[c-nsp] Sup720 (6k/7600) FIB_EXCEPTION_THRESHOLD warnings

[Mack McBride]

Recommended settings have been discussed on Nanog and IPv6 meetings for the last couple of years.
We are currently using 640 for IPv4 and 192 for IPv6.

Mack McBride
Network Architect

-----Original Message-----
From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Pete Templin
Sent: Monday, June 09, 2014 1:17 PM
To: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] Sup720 (6k/7600) FIB_EXCEPTION_THRESHOLD warnings


On 6/9/2014 11:37 AM, Pete Lumbis wrote:
> If you have a Sup720 pulling a full BGP feed you've probably seen 
> error messages like this:
>
> *%MLSCEF-SP-4-FIB_EXCEPTION_THRESHOLD: Hardware CEF entry usage is at 
> 95% capacity for IPv4 unicast protocol*
>
> A document was just published on Cisco.com describing the issue and 
> how to correct it.
>
> http://www.cisco.com/c/en/us/support/docs/switches/catalyst-6500-serie
> s-switches/117712-problemsolution-cat6500-00.html
>
Do 'remote command switch show bootvar' and ensure that the SP config register is what you expect.  If not, reset the config register and copy run start, then recheck.  Otherwise, you'll set yourself up for auto-reboots every five minutes of uptime.

pt

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