[c-nsp] BGP order of operation

Nikos Leontsinis nikos at oteglobe.net
Mon Apr 10 04:17:08 EDT 2006


Far from complete the nearest cisco link that answers your question:

http://www.cisco.com/en/US/tech/tk365/technologies_q_and_a_item09186a0080094
9e8.shtml#one

always remember the logical AND 

/nikos

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Hank Nussbacher
Sent: Sunday, April 09, 2006 9:17 PM
To: cisco-nsp at puck.nether.net
Subject: [c-nsp] BGP order of operation

Can someone point me at a Cisco doc that describes what BGP neighbor
statement takes preference or overrides another?

There is advertise-map, default-originate, distribute-list, filter-list to
name a few. Who overrides whom?  Example: if I have default-originate to a
neighbor but at the same time I have a distribute-list of "deny any", will
the 0.0.0.0 that default-originate wants to announce be blocked by the
distribute-list?  I can list many other examples but prefer not to lab
each of them to determine which bgp neighbor command is "stronger".  I am
just looking for a doc page that indicates the rules.

Thanks,
Hank
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