[action] [PR:16705] [chassis/multi-asic] Enable Sending BGP Community over internal neighbors over iBGP Session#16710
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mssonicbld merged 1 commit intosonic-net:202205from Sep 27, 2023
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…bors over iBGP Session (sonic-net#16705) What I did: Enable Sending BGP Community over internal neighbors over iBGP Session Microsoft ADO: 25268695 Why I did: Without this change BGP community send by e-BGP Peers are not carry-forward to other e-BGP peers. str2-xxxx-lc1-2# show bgp ipv6 20c0:a801::/64 BGP routing table entry for 20c0:a801::/64, version 52141 Paths: (1 available, best sonic-net#1, table default) Not advertised to any peer 65000 65500 2603:10e2:400::6 from 2603:10e2:400::6 (3.3.3.6) Origin IGP, localpref 100, valid, internal, best (First path received) Last update: Tue Sep 26 16:08:26 2023 str2-xxxx-lc1-2# show ip bgp 192.168.35.128/25 BGP routing table entry for 192.168.35.128/25, version 52688 Paths: (1 available, best sonic-net#1, table default) Not advertised to any peer 65000 65502 3.3.3.6 from 3.3.3.6 (3.3.3.6) Origin IGP, localpref 100, valid, internal, best (First path received) Last update: Tue Sep 26 15:45:51 2023 After the change str2-xxxx-lc2-2(config)# router bgp 65100 str2-xxxx-lc2-2(config-router)# address-family ipv4 str2-xxxx-lc2-2(config-router-af)# neighbor INTERNAL_PEER_V4 send-community str2-xxxx-lc2-2(config-router-af)# exit str2-xxxx-lc2-2(config-router)# address-family ipv6 str2-xxxx-lc2-2(config-router-af)# neighbor INTERNAL_PEER_V6 send-community str2-xxxx-lc1-2# show bgp ipv6 20c0:a801::/64 BGP routing table entry for 20c0:a801::/64, version 52400 Paths: (1 available, best sonic-net#1, table default) Not advertised to any peer 65000 65500 2603:10e2:400::6 from 2603:10e2:400::6 (3.3.3.6) Origin IGP, localpref 100, valid, internal, best (First path received) **Community: 1111:1111** Last update: Tue Sep 26 16:10:19 2023 str2-xxxx-lc1-2# show ip bgp 192.168.35.128/25 BGP routing table entry for 192.168.35.128/25, version 52947 Paths: (1 available, best sonic-net#1, table default) Not advertised to any peer 65000 65502 3.3.3.6 from 3.3.3.6 (3.3.3.6) Origin IGP, localpref 100, valid, internal, best (First path received) **Community: 1111:1111** Last update: Tue Sep 26 16:10:09 2023 Signed-off-by: Abhishek Dosi <abdosi@microsoft.com>
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Original PR: #16705 |
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What I did:
Enable Sending BGP Community over internal neighbors over iBGP Session
Microsoft ADO: 25268695
Why I did:
Without this change BGP community send by e-BGP Peers are not carry-forward to other e-BGP peers.
How I Verify:
Without this Change
After the change