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Blason_R
Advisor

Achieving BGP ECMP with Check Point R80.30

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

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2 Replies
G_W_Albrecht
Legend
Legend

I would suggest to contact CP TAC for this...

CCSE CCTE SMB Specialist
Chris_Atkinson
Employee
Employee

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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