[c-nsp] BGP Tuning

Nick Hilliard nick at foobar.org
Mon Apr 1 17:34:18 EDT 2013


On 01/04/2013 02:07, David Walters wrote:
> Just a quick post to ask peoples experiences of tuning BGP convergence?
> We're in the process of tuning the network to to achieve optimal
> convergence (ie quick) and was wondering if anyones achieved this
> outside of changing keepalive/holdtimers to 1 and 3. We're using 4900s
> and playing with <100 prefixes.

This doesn't sound sensible.  You should use a tightly tuned IGP (e.g.
ospf) to handle your interior network connectivity and rapid convergence
requirements.  BGP can then do the heavy lifting for prefix handling.

Nick



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