BGP: Difference between revisions

Content added Content deleted

Inline

@@ Line 221: / Line 221: @@
 *Configuration
+;R1 Config:
 <pre>
  ip bgp-community new-format
@@ Line 233: / Line 234: @@
  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
+.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
+.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 =