[c-nsp] BGP multipath load balancing.. broken sessions upon hash change

[Łukasz Bromirski]

Peter,

> On 02 Sep 2015, at 22:49, Peter Kranz <pkranz at unwiredltd.com> wrote:
> 
> I’m using bgp maximum-paths and several peers announcing the same /32 to
> create a poor man’s load balancer. This works well with up to 16 peers after
> which the CEF number of buckets is exceeded.
> 
> However, if the number of connected peers change, all sessions break, which
> I would like to avoid.

That’s the way CEF works - it has to rebuild the hash every
time new nexthop appears or vanishes. 

This is 6500 you’ve mentioned in different post, right? What
is the overall architecture of the thing you’re trying to
achieve here (remote terminal access?). 

— 
Łukasz Bromirski