BGP: Difference between revisions
→Community
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*Configuration
;R1 Config:
<pre>
ip bgp-community new-format
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network 150.1.1.0 mask 255.255.255.0 route-map SETCOM ==> Network 150.1.1.0 is advertised with community 1:10
</pre>
;R2 Config(Before applying any policies):
<pre>
router bgp 12
nei 192.168.12.1 remot 12
sh ip bgp 150.1.1.0
BGP routing table entry for 150.1.1.0/24, version 2
Paths: (1 available, best #1, table Default-IP-Routing-Table)
Flag: 0x820
Not advertised to any peer
Local
192.168.12.1 from 192.168.12.1 (192.168.127.1)
Origin IGP, metric 0, localpref 100, valid, internal, best
Community: 1:10
</pre>
!-- Match the community using a standard community-list
R2(config)#ip community-list 1 permit 1:10
R2(config)#route-map COM
R2(config-route-map)#match community 1
R2(config-route-map)#set metric 100
R2(config)#router bgp 12
R2(config-router)#nei 192.168.12.1 route-map COM in
!-- After applying the policy the metric changed to 100
R2#sh ip bgp 150.1.1.0/24
BGP routing table entry for 150.1.1.0/24, version 3
Paths: (1 available, best #1, table Default-IP-Routing-Table)
Flag: 0x800
Not advertised to any peer
Local
192.168.12.1 from 192.168.12.1 (192.168.127.1)
Origin IGP, metric 100, localpref 100, valid, internal, best
Community: 1:10
= Route Aggregation =
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