RE: BGP routes when it is learned from OSPF!

From: Chua, Parry (Parry.Chua@xxxxxxxxxx)
Date: Sun Nov 18 2001 - 22:37:04 GMT-3


   
Hi,

I belive the sho ip bgp xxxx indicate the reason that it is not the best
path is due
to SYNC in this case, we can get this solve by NO SYNC in bgp
configuration. Alternatively is to fully mesh Ibgp, I presume that
configuration could also address
this problem.

Parry Chua
-----Original Message-----
From: SFeldberg@edeltacom.com [mailto:SFeldberg@edeltacom.com]
Sent: Monday, November 19, 2001 9:08 AM
To: Chua, Parry
Cc: ccielab@groupstudy.com; Marc Russell; nobody@groupstudy.com; Vincent
Zhang
Subject: RE: BGP routes when it is learned from OSPF!

To summarize my findings in the lab:

If R2 and R3 are route-reflector clients of R1, ONLY when OSPF is the
IGP,
BGP routes originated on R2 will NEVER be seen as valid on R3 and
vice-versa because:
1). BGP and OSPF router IDs are required to match for BGP routes to be
seen
as valid.
2). BGP and OSPF router IDs will never match on R2 and R3 due to
presence
of the the R1 route-reflector between the iBGP peers.

Stephen Feldberg
e ^ deltacom
phone: 678.835.5437
sfeldberg@edeltacom.com



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