[c-nsp] Source address on BGP peering set up

[Daniel Ginsburg]

On Fri, 14 Jan 2005 15:45:30 +0200, Mark Tinka <mtinka at africaonline.co.sz> 
> Without manually specifying your source interface, BGP will find and use the
> Loopback interface with the highest IP address. Failing that, it will take
> the next highest IP address configured on the router (regardless of
> interface).
> 
> This can become a problem, especially if you keep adding/removing IP addresses
> on your router (customers, new routers, new segments, e.t.c.), hence the
> elegance of 'update-source'.
> 

You confused source address of BGP session with router ID. They don't
serve the same purpose nor have to be equal.

-- 
dg