Re: Global Crossing Contact / BGP and SONET interaction question

2006-07-26 Thread Forrest W Christian
Randy Epstein wrote: I don't have an answer to the root cause of your problem, and I'm not looking for a discussion on route dampening (there are enough debates onthis issue to make your head spin), but may I suggest you raise your hold timers to prevent your BGP sessions from going down on

Re: Global Crossing Contact / BGP and SONET interaction question

2006-07-26 Thread Niels Bakker
* [EMAIL PROTECTED] (Randy Epstein) [Wed 26 Jul 2006, 07:44 CEST]: Recently my BGP session has started flapping on the GX circuit... It looks something like this: Jul 21 21:33:32.703 UTC: %BGP-5-ADJCHANGE: neighbor 67.17.168.73 Up There are no other log entries during the periods when this

Re: Global Crossing Contact / BGP and SONET interaction question

2006-07-26 Thread Ian Mason
On 26 Jul 2006, at 08:29, Forrest W Christian wrote: Randy Epstein wrote: I don't have an answer to the root cause of your problem, and I'm not looking for a discussion on route dampening (there are enough debates onthis issue to make your head spin), but may I suggest you raise your

RE: Global Crossing Contact / BGP and SONET interaction question

2006-07-26 Thread Neil J. McRae
You should be able to tell from (cisco speak) show controller pos a/b The counters should be increasing if there are any issues with the line or the path Make sure both ends sync from the line (as it's a syncronous link). A path switch event with won't impact BGP, if it did the

RE: Global Crossing Contact / BGP and SONET interaction question

2006-07-25 Thread Randy Epstein
Forrest: snip Recently my BGP session has started flapping on the GX circuit... It looks something like this: Jul 21 21:33:32.703 UTC: %BGP-5-ADJCHANGE: neighbor 67.17.168.73 Up There are no other log entries during the periods when this occur. Unfortunately this causes enough prefix flaps