BGP convergence problem

Tue Jun 8 12:35:12 UTC 2010

Dear Andy

> This morning there was an ethernet loop problem on DECIX, causing many
> BGP sessions to flap throughout the entire platform.
> While this can happen, I am myself facing with BGP convergence
> problems on our DECIX router (SUP720-3BXL with IOS SXI3).
>
> De DECIX loop has been solved two hours ago, but my BGP sessions are
> still flapping and not converging at all. This has been flooding our
> logs, and is still going on:

route half or more of the peering-network to Null -> lowering bgp session 
up's.
(at the other side, your bgp-router seems to be overloaded).

Kind regards,
 	Ingo Flaschberger