BGP Path Preference in EIGRP PE-CE protocol

From: Malik Nouman Ahmad <djmalik_at_gmail.com>
Date: Sun, 27 Feb 2011 17:27:13 +0300

Hi,

I am stuck in a bit of a puzzle.

       ---R9(RR)---
     / \
R8(PE) ----- R7 (PE)
   | |
R3(CE) ----- R1 (CE)

- All routers have Lo0 with format 9.9.X.X/32 where X is the router number
- PE-CE protocol is EIGRP under VRF A
- PEs and RR have MP-BGP configured and CEs have EIGRP configured between
them i.e. CEs have backdoor link

R8s routing table has
D 9.9.3.3/32 via 9.9.38.3
B 9.9.17.0/24 via 9.9.7.7
B 9.9.1.1/24 via 9.9.7.7

R7s routing table has
D 9.9.1.1/32 via 9.9.17.1
B 9.9.38.0/24 via 9.9.8.8
B 9.9.3.3/24 via 9.9.8.8

R3's routing table has
D 9.9.1.1/32 via 9.9.13.1
D 9.9.17.0/24 via 9.9.13.1

R1's routing table has
D 9.9.3.3/32 via 9.9.13.3
D 9.9.38.0/24 via 9.9.13.3

My aim is that the RR reaches 9.9.1.1/32 and 9.9.17.0/24 through
R9->R8->R3->R1. If R8 is down, then it can go directly R9->R7->R1. R8
prefers BGP routes for 9.9.1.1/32 over the EIGRP routes from R3 and
therefore is not loading it into its BGP table

I am unable to do it, please help me

Thanks,
Malik

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Received on Sun Feb 27 2011 - 17:27:13 ART

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