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HI Team,
I have 3 BGP Links terminated on 6900 firewall and I wanted to achieve BGP ECMP with link 1 and 3. I guess due to Path and certain BGP change its picking up best route. Can someone please help me editing BGP attributes so that I can achive BGP ECMP.
show bgp paths
AS Path (AS Plain Notation): IGP.(Id-1)
Nexthop: 0.0.0.0 LocalAS: 64520 NeighborAS: 0
Refs: 1 Ases: 0 Segments: 0 Overhead: 96
AS Path (AS Plain Notation): IGP.(Id-2)
Nexthop: 0.0.0.0 LocalAS: 64520 NeighborAS: 0
Refs: 17 Ases: 0 Segments: 0 Overhead: 96
AS Path (AS Plain Notation): 1,IGP.(Id-23)
Nexthop: 0.0.0.0 LocalAS: 64520 NeighborAS: 0
Refs: 1 Ases: 0 Segments: 1 Overhead: 102
AS Path (AS Plain Notation): (64520),65001,64520,IGP.(Id-61)
Nexthop: 192.168.203.153 LocalAS: 64520 NeighborAS: 65001
Refs: 2 Ases: 2 Segments: 1 Overhead: 106
AS Path (AS Plain Notation): (64520),65001,IGP.(Id-62)
Nexthop: 192.168.203.153 LocalAS: 64520 NeighborAS: 65001
Refs: 2 Ases: 1 Segments: 1 Overhead: 102
AS Path (AS Plain Notation): (64520),65520,4755,65520,IGP.(Id-63)
Nexthop: 192.168.203.129 LocalAS: 64520 NeighborAS: 65520
Refs: 2 Ases: 3 Segments: 1 Overhead: 110
AS Path (AS Plain Notation): (64520),9730,Incomplete.(Id-64)
Nexthop: 172.43.149.41 LocalAS: 64520 NeighborAS: 9730
Refs: 10 Ases: 1 Segments: 1 Overhead: 102
AS Path (AS Plain Notation): (64520),9730,9730,IGP.(Id-65)
Nexthop: 172.43.149.41 LocalAS: 64520 NeighborAS: 9730
Refs: 2 Ases: 2 Segments: 1 Overhead: 106
AS Path (AS Plain Notation): (64520),9730,9730,9730,9730,9730,IGP.(Id-66)
Nexthop: 172.43.149.41 LocalAS: 64520 NeighborAS: 9730
Refs: 4 Ases: 5 Segments: 1 Overhead: 118
Need BGP ECMP between 172.43.149.41 and 192.168.203.153
I would suggest to contact CP TAC for this...
Do you have a diagram to accompany the above?
The following SKs will help with the fundamentals of ECMP & AS_PATH prepending which are likely required here:
sk100504 (ECMP)
sk103047 (AS_PATH)
That said it's probably more something for Pro Services than TAC.
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