[chassis/multi-asic] Enable Sending BGP Community over internal neighbors over iBGP Session (#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 #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 #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 #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 #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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@ -14,6 +14,7 @@
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neighbor INTERNAL_PEER_V4 allowas-in 1
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neighbor INTERNAL_PEER_V4 route-map FROM_BGP_INTERNAL_PEER_V4 in
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neighbor INTERNAL_PEER_V4 route-map TO_BGP_INTERNAL_PEER_V4 out
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neighbor INTERNAL_PEER_V4 send-community
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exit-address-family
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{% if CONFIG_DB__DEVICE_METADATA['localhost']['switch_type'] == 'chassis-packet' %}
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neighbor INTERNAL_PEER_V6 update-source Loopback4096
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@ -26,6 +27,7 @@
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neighbor INTERNAL_PEER_V6 allowas-in 1
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neighbor INTERNAL_PEER_V6 route-map FROM_BGP_INTERNAL_PEER_V6 in
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neighbor INTERNAL_PEER_V6 route-map TO_BGP_INTERNAL_PEER_V6 out
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neighbor INTERNAL_PEER_V6 send-community
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exit-address-family
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!
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! end of template: bgpd/templates/internal/peer-group.conf.j2
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@ -12,6 +12,7 @@
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neighbor VOQ_CHASSIS_V4_PEER soft-reconfiguration inbound
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neighbor VOQ_CHASSIS_V4_PEER route-map FROM_VOQ_CHASSIS_V4_PEER in
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neighbor VOQ_CHASSIS_V4_PEER route-map TO_VOQ_CHASSIS_V4_PEER out
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neighbor VOQ_CHASSIS_V4_PEER send-community
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exit-address-family
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address-family ipv6
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{% if CONFIG_DB__DEVICE_METADATA['localhost']['type'] == 'ToRRouter' %}
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@ -22,6 +23,7 @@
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neighbor VOQ_CHASSIS_V6_PEER soft-reconfiguration inbound
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neighbor VOQ_CHASSIS_V6_PEER route-map FROM_VOQ_CHASSIS_V6_PEER in
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neighbor VOQ_CHASSIS_V6_PEER route-map TO_VOQ_CHASSIS_V6_PEER out
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neighbor VOQ_CHASSIS_V6_PEER send-community
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exit-address-family
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!
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! end of template: bgpd/templates/voq_chassis/peer-group.conf.j2
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@ -9,6 +9,7 @@
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neighbor INTERNAL_PEER_V4 allowas-in 1
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neighbor INTERNAL_PEER_V4 route-map FROM_BGP_INTERNAL_PEER_V4 in
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neighbor INTERNAL_PEER_V4 route-map TO_BGP_INTERNAL_PEER_V4 out
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neighbor INTERNAL_PEER_V4 send-community
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exit-address-family
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address-family ipv6
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neighbor INTERNAL_PEER_V6 route-reflector-client
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@ -16,6 +17,7 @@
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neighbor INTERNAL_PEER_V6 allowas-in 1
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neighbor INTERNAL_PEER_V6 route-map FROM_BGP_INTERNAL_PEER_V6 in
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neighbor INTERNAL_PEER_V6 route-map TO_BGP_INTERNAL_PEER_V6 out
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neighbor INTERNAL_PEER_V6 send-community
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exit-address-family
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!
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! end of template: bgpd/templates/internal/peer-group.conf.j2
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@ -9,6 +9,7 @@
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neighbor INTERNAL_PEER_V4 allowas-in 1
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neighbor INTERNAL_PEER_V4 route-map FROM_BGP_INTERNAL_PEER_V4 in
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neighbor INTERNAL_PEER_V4 route-map TO_BGP_INTERNAL_PEER_V4 out
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neighbor INTERNAL_PEER_V4 send-community
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exit-address-family
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neighbor INTERNAL_PEER_V6 update-source Loopback4096
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address-family ipv6
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@ -16,6 +17,7 @@
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neighbor INTERNAL_PEER_V6 allowas-in 1
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neighbor INTERNAL_PEER_V6 route-map FROM_BGP_INTERNAL_PEER_V6 in
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neighbor INTERNAL_PEER_V6 route-map TO_BGP_INTERNAL_PEER_V6 out
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neighbor INTERNAL_PEER_V6 send-community
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exit-address-family
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!
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! end of template: bgpd/templates/internal/peer-group.conf.j2
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@ -8,12 +8,14 @@
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neighbor INTERNAL_PEER_V4 allowas-in 1
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neighbor INTERNAL_PEER_V4 route-map FROM_BGP_INTERNAL_PEER_V4 in
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neighbor INTERNAL_PEER_V4 route-map TO_BGP_INTERNAL_PEER_V4 out
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neighbor INTERNAL_PEER_V4 send-community
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exit-address-family
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address-family ipv6
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neighbor INTERNAL_PEER_V6 soft-reconfiguration inbound
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neighbor INTERNAL_PEER_V6 allowas-in 1
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neighbor INTERNAL_PEER_V6 route-map FROM_BGP_INTERNAL_PEER_V6 in
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neighbor INTERNAL_PEER_V6 route-map TO_BGP_INTERNAL_PEER_V6 out
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neighbor INTERNAL_PEER_V6 send-community
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exit-address-family
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!
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! end of template: bgpd/templates/internal/peer-group.conf.j2
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@ -10,6 +10,7 @@
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neighbor VOQ_CHASSIS_V4_PEER soft-reconfiguration inbound
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neighbor VOQ_CHASSIS_V4_PEER route-map FROM_VOQ_CHASSIS_V4_PEER in
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neighbor VOQ_CHASSIS_V4_PEER route-map TO_VOQ_CHASSIS_V4_PEER out
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neighbor VOQ_CHASSIS_V4_PEER send-community
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exit-address-family
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address-family ipv6
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neighbor VOQ_CHASSIS_V6_PEER allowas-in 1
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@ -18,6 +19,7 @@
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neighbor VOQ_CHASSIS_V6_PEER soft-reconfiguration inbound
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neighbor VOQ_CHASSIS_V6_PEER route-map FROM_VOQ_CHASSIS_V6_PEER in
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neighbor VOQ_CHASSIS_V6_PEER route-map TO_VOQ_CHASSIS_V6_PEER out
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neighbor VOQ_CHASSIS_V6_PEER send-community
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exit-address-family
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!
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! end of template: bgpd/templates/voq_chassis/peer-group.conf.j2
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@ -9,6 +9,7 @@
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neighbor VOQ_CHASSIS_V4_PEER soft-reconfiguration inbound
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neighbor VOQ_CHASSIS_V4_PEER route-map FROM_VOQ_CHASSIS_V4_PEER in
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neighbor VOQ_CHASSIS_V4_PEER route-map TO_VOQ_CHASSIS_V4_PEER out
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neighbor VOQ_CHASSIS_V4_PEER send-community
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exit-address-family
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address-family ipv6
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neighbor VOQ_CHASSIS_V6_PEER activate
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@ -16,6 +17,7 @@
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neighbor VOQ_CHASSIS_V6_PEER soft-reconfiguration inbound
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neighbor VOQ_CHASSIS_V6_PEER route-map FROM_VOQ_CHASSIS_V6_PEER in
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neighbor VOQ_CHASSIS_V6_PEER route-map TO_VOQ_CHASSIS_V6_PEER out
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neighbor VOQ_CHASSIS_V6_PEER send-community
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exit-address-family
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!
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! end of template: bgpd/templates/voq_chassis/peer-group.conf.j2
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