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Re: Getting pretty close to default IPv4 route maximum for 6500/7600 routers.
From: Nick Hilliard <nick () foobar org>
Date: Tue, 06 May 2014 17:11:22 +0100
On 06/05/2014 16:39, Drew Weaver wrote:
In case anyone wants to check on a 6500, you can run: show platform hardware capacity pfc and then look under L3 Forwarding Resources.
to fix the problem on sup720/rsp720:
Router(config)#mls cef maximum-routes ip 768
This requires a reload to take effect. If you don't recarve the TCAM and you accidentally hit the maximum number of prefixes, the entire chassis will go into software forwarding mode and will require a reboot to recover. IOW, there is no way of avoiding a reload, so best plan as soon as possible. More info here:
http://www.cisco.com/c/en/us/support/docs/switches/catalyst-6500-series-switches/116132-problem-catalyst6500-00.html
This problem also affects ASR9000 boxes running typhoon line cards which by default will only set aside 500k slots for ipv4 prefixes. The fix for these boxes is:
0/RSP0/CPU0:router# admin hw-module profile scale l3
...followed by appropriate line card reloads. more information at:
http://www.cisco.com/c/en/us/support/docs/routers/asr-9000-series-aggregation-services-routers/116999-problem-line-card-00.html
Nick
Current thread:
- Getting pretty close to default IPv4 route maximum for 6500/7600 routers. Drew Weaver (May 06)
- Re: Getting pretty close to default IPv4 route maximum for 6500/7600 routers. Nick Hilliard (May 06)
- RE: Getting pretty close to default IPv4 route maximum for 6500/7600 routers. Drew Weaver (May 06)
- Re: Getting pretty close to default IPv4 route maximum for 6500/7600 routers. Nick Hilliard (May 06)
- RE: Getting pretty close to default IPv4 route maximum for 6500/7600 routers. Drew Weaver (May 06)
- Re: Getting pretty close to default IPv4 route maximum for 6500/7600 routers. Jon Lewis (May 06)
- Re: Getting pretty close to default IPv4 route maximum for 6500/7600 routers. Jeff Kell (May 06)
- Re: Getting pretty close to default IPv4 route maximum for 6500/7600 routers. Vlade Ristevski (May 06)
- Re: Getting pretty close to default IPv4 route maximum for 6500/7600 routers. Rob Seastrom (May 06)
- RE: Getting pretty close to default IPv4 route maximum for 6500/7600routers. bedard.phil (May 06)
- Re: Getting pretty close to default IPv4 route maximum for 6500/7600routers. Pete Lumbis (May 06)
- Re: Getting pretty close to default IPv4 route maximum for 6500/7600 routers. Brandon Ewing (May 08)
- Re: Getting pretty close to default IPv4 route maximum for 6500/7600 routers. chiel (May 08)
(Thread continues...)
- Re: Getting pretty close to default IPv4 route maximum for 6500/7600 routers. Nick Hilliard (May 06)