[j-nsp] General BGP question, single asn multi location

[Daniel Roesen]

On Wed, Jul 25, 2012 at 01:32:50AM -0700, Morgan McLean wrote:
> So I have a single ASN and two sites that do not peer directly with each
> other, but have eBGP with providers.
> 
> Site A takes full routes, advertises a /24
> Site B takes defaults only, advertises a /24
> 
> I notice I do not get the route advertised at site B by any of my providers
> at site A. Is this due to a general misconfiguration of BGP? Are they not
> sending me routes from my own ASN?

You're hitting BGP loop prevention by means of AS_PATH.

Solution:
http://www.juniper.net/techpubs/en_US/junos11.4/topics/reference/configuration-statement/loops-edit-protocols-bgp-family.html

"loops 2" is your friend.

Best regards,
Daniel

-- 
CLUE-RIPE -- Jabber: dr at cluenet.de -- dr at IRCnet -- PGP: 0xA85C8AA0