GBLX router upgrade breaks bgp sessions

Wed Jul 10 16:58:30 UTC 2002

Can you provide any details as to why you had to "remove multicast" -
do you mean, remove MBGP ? Or is there more?

nanog wrote:

> On Wed, Jul 10, 2002 at 09:17:56AM -0500, John Kristoff wrote:
> 
>>On Wed, Jul 10, 2002 at 07:04:38AM -0700, nanog wrote:
>>
>>>Subject says it all.  GBLX upgraded some edge routers to a new JunOS
>>>release (possibly 5.3 rev 24)- and now our bgp sessions continually
>>>reset with:
>>>
>>>Jul 10 06:58:24 MST: %BGP-3-NOTIFICATION: sent to neighbor X.X.X.X 3/3 (update missing required attributes) 0 bytes 
>>>
>>>
>>I don't know about gblx, but I saw a problem like this at our border.
>>After JunOS was upgraded to 5.3r2.4 (other side IOS) the session was
>>continually being reset.  The bgp session between theser two peers 
>>was setup with family inet any (for multicast peering) and when that
>>was removed, the problem went away.  I also heard about a problem that
>>may be related I2 was having with their Juniper code, it sounded
>>related, but I haven't investigated the details yet.
>>
>>John
>>
> 
> That was it- A quick TAC case later (about 10 minutes turnaround from
> problem submission to resolution- upgrade IOS or remove multicast from
> bgp peer) and the problem is fixed.  I removed multicast since it was
> not required on this peer, and will schedule the IOS upgrade during
> a more friendly maintenance window.
> 
> GBLX, however, has not returned my call since I opened a high priority,
> customer down ticket about 1.5 hours ago.  Like all other support calls
> to their NOC, this seems to have disappeared into nevernever land.  
> I love the GBLX network when it works, but god help you if you ever 
> need to talk to a clueful NOC person to fix a problem (especially after 
> hours.)  
> 
> bill
> 
> 

-- 
                                  Regards
                                  Marshall Eubanks

T.M. Eubanks
Multicast Technologies, Inc
10301 Democracy Lane, Suite 410
Fairfax, Virginia 22030
Phone : 703-293-9624       Fax     : 703-293-9609
e-mail : tme at multicasttech.com
http://www.multicasttech.com

Test your network for multicast :
http://www.multicasttech.com/mt/
  Status of Multicast on the Web  :
  http://www.multicasttech.com/status/index.html