[c-nsp] ip cef load-sharing algorithm tunnel

Rodney Dunn rodunn at cisco.com
Wed Aug 3 08:22:28 EDT 2005

It's just a different hash in the load algorithm that
was found by brute force to help in some tunneling
scenarios. It should not hurt anything to try it and
see if you get better distribution.


On Wed, Aug 03, 2005 at 01:10:51PM +0100, Stephen J. Wilcox wrote:
> Hi,
>  what does 'ip cef load-sharing algorithm tunnel' do exactly?
> I have a problem on a 7200 where I am terminating a large number of L2TP 
> tunnels, I want to have the bandwidth balanced over my ingress ports but using 
> default load-sharing we see imbalance on loading (some tunnels have more 
> sessions than others, some sessions are busier than others).
> I've not enabled the above command as I cant find suitable documentation. Are 
> there any other tweaks to improve the balancing problem?
> Steve
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