[c-nsp] disabling dCEF per VIP on 7500?

[Ben Crocker]

Cisco put something into IOS to hep with this (at least for ISIS) you  
can use the external overload signaling command to make it turn on the  
overload bit when you get a CEF shutdown.

http://www.cisco.com/en/US/products/sw/iosswrel/ps1829/ 
products_feature_guide09186a00800c476f.html

Laters

Ben

On Aug 13, 2004, at 9:16 AM, Mikael Abrahamsson wrote:

> On Fri, 13 Aug 2004, Gert Doering wrote:
>
>> don't like to have in production, a router that will "eventually at
>> some point" auto-change its setup...
>
> A 12000 will just plain stop forwarding if CEF is disabled for some  
> reason
> (like running out of route memory on a LC). Even worse is that it keeps
> it's IGP neighbour sessions up (this is configurable though, but as  
> far as
> I know, the default is to keep them up) so it's effectively blackholing
> traffic to/from that linecard.
>
> -- 
> Mikael Abrahamsson    email: swmike at swm.pp.se
>
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