Troubleshooting guide

Troubleshooting

In the following example, all BGP routes are displayed whose community attributes match those listed in

the show ip bgp community command.

#show ip bgp community local-as 10:405

BGP local router ID is 10.22.131.241, local AS is 302.

Status codes: * valid, > best, i - internal, o - local

Origin codes: i - IGP, e - EGP, ? - incomplete

Network Next Hop Metric LocPrf Path

10.22.152.20/30 10.22.131.10 304 302 300 1 3 4 i

10.22.152.24/29 10.22.131.10 304 302 300 1 3 4 5 i

10.22.152.36/30 10.22.131.10 304 302 300 1 3 4 i

10.22.152.52/30 10.22.131.10 304 302 300 1 3 4 i

11.0.0.0/30 10.22.131.10 304 302 300 1 3 4 6 i

12.0.0.0/30 10.22.131.10 304 302 300 1 3 4 6 i

13.0.0.0/30 10.22.131.10 304 302 300 1 3 4 6 i

14.0.0.0/30 10.22.131.10 304 302 300 1 3 4 6 i

Total RIB entries = 8

Information displayed includes: the ID of this router and its AS number; the destination Network address

of the route learned; the Next-Hop address to that network; the Metric; the Local Preference (LocPrf)

value; and the AS Path to the destination network.

Show IP BGP Community-List

Use the show ip bgp community-list command to display BGP routes that are permitted by the specified

community list.

#show ip bgp community-list <name> [exact]

<name> Specifies the name of the community list whose routes are to be displayed.

exact Optional. Restricts the routes displayed to only those whose community lists exactly match those

specified in the named community list. If this parameter is omitted, all routes matching any part of the

specified community list will be displayed.

In the following example, all BGP routes are displayed whose community number match those defined in

the community list named CLIST1.

#show ip bgp community-list CLIST1