Re: MD5 BGP performance on a VXR?

[Patrick W.Gilmore <patrick () ianai net>]

On Jun 11, 2004, at 8:21 AM, Newell, Tony wrote:

> My first question would be how big is your prefix list per BGP session?
> What is really going to task this router with 25 sessions is the BGP
> Scanner and BGP Router processes.  To my knowledge MD5 is just for
> authenticating the session.  I could be wrong.

Every TCP packet in the BGP session (including HELLOs) will have to go 
through the MD5 process.

This happens even if things like the sequence number is wrong (at least 
on some versions of IOS).

--
TTFN,
patrick