From: Nathaly Landry (lnathaly@cisco.com)
Date: Sun Aug 17 2003 - 00:29:57 GMT-3
Do you have to use R2 as a RR or could you setup a confederation within
AS1?? Are your loopback part of the OSPF? For number 3 just use and
aggregate with summ only. For number 4 you can't redistribute BGP into
OSPF (routes would be OSPF external and we want BGP routes). I think
you need to use a confederation within AS1. R2 will have neighbor
x.x.x.x next-hop self (so next hop is reachable since you are probably
not running OSPF between R2 and the neighbor in AS20.
nat
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Peng Zheng
Sent: Saturday, August 16, 2003 8:16 PM
To: ccielab@groupstudy.com
Subject: BGP question
Topology as:
R3
|
R4
|
R5-----R2---R1
| |
R6 (AS 20)
OSPF run among them.
Now R1, R2, R3 in AS 1, R2 as Route Reflector. Without
BGP on R4. R5 in AS 2.
Reqiurement:
R3 and R6 propagate their lo 1 into BGP,
They are 199.100.1.0 and 199.101.1.0
1. routes from AS 20 needed to be reachable from all
BGP routers.
2. routes for lo 1 of R3 and R6 should be reachable
from any routers runing BGP.
3. propagate only one route into AS 2 for lo 1 of R3
and R6.
4. routes from AS 20 should be appeared as BGP routes
on all BGP routers.
How to satisfy all these at the same time?
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