show bgp community

Syntax

show bgp [{ipv4 | ipv6 | ipv4 {vrf <VRF-NAME>}} unicast] 
     community [<VALUE> | <TYPE>] [vsx-peer]

Description

Shows routes that belong to BGP communities. Optionally you can specify displaying information by a specific community or by VRF.

Command context

Operator (>) or Manager (#)

Parameters

ipv4

Selects the IPv4 address family.

ipv6

Selects the IPv6 address family.

unicast

The subaddress family identifier.

vrf <VRF-NAME>

Select to display information by VRFs by specifying the VRF name.

<VALUE>

Specifies a community number in aa:nn format.

<TYPE>
Specifies a community type. Can include the following well-known communities as well as others:

  • internet (advertise the prefix to all BGP neighbors)

  • local-as (do not advertise the prefix outside the sub-AS)

  • no-advertise (do not advertise the prefix to any BGP neighbors)

  • no-export (do not advertise the prefix to any eBGP neighbors)

[vsx-peer]

Shows the output from the VSX peer switch. If the switches do not have the VSX configuration or the ISL is down, the output from the VSX peer switch is not displayed.

Authority

Operators or Administrators. Users without administrator authority can execute this command from the operator context (>) only.

Examples

Showing information for routes that belong to all BGP communities: 

switch# show bgp ipv4 unicast community
Status codes: s suppressed, d damped, h history, * valid, > best, = multipath,
              i internal, e external S Stale, R Removed
VRF : default
Local router-id 9.0.0.1

    Network         Next Hop        Community
*>e 9.0.0.0/24      9.0.0.2         200:20
*>e 100.0.0.0/24    9.0.0.2         200:20
*>e 100.0.1.0/24    9.0.0.2         200:20
*>e 100.0.2.0/24    9.0.0.2         200:20
*>e 100.0.3.0/24    9.0.0.2         200:20

Total number of entries 5

Showing information for routes that belong to the 200:20 BGP community number: 

switch# show bgp ipv4 unicast community 200:20
Status codes: s suppressed, d damped, h history, * valid, > best, = multipath,
              i internal, e external S Stale, R Removed
Origin codes: i - IGP, e - EGP, ? - incomplete

VRF : default
Local router-id 9.0.0.1

    Network            Nexthop        Metric     LocPrf     Weight Path
*>e 9.0.0.0/24         9.0.0.2        0          100        0      200 ?
*>e 100.0.0.0/24       9.0.0.2        0          100        0      200 ?
*>e 100.0.1.0/24       9.0.0.2        0          100        0      200 ?
*>e 100.0.2.0/24       9.0.0.2        0          100        0      200 ?
*>e 100.0.3.0/24       9.0.0.2        0          100        0      200 ?
Total number of entries 5

Showing information for routes that belong to the Internet BGP community type: 

switch# show bgp ipv4 unicast community internet
Status codes: s suppressed, d damped, h history, * valid, > best, = multipath,
              i internal, e external S Stale, R Removed
Origin codes: i - IGP, e - EGP, ? - incomplete

VRF : default
Local router-id 9.0.0.1

    Network            Nexthop        Metric     LocPrf     Weight Path
*>e 9.0.0.0/24         9.0.0.2        0          100        0      200 ?
*>e 100.0.0.0/24       9.0.0.2        0          100        0      200 ?
*>e 100.0.1.0/24       9.0.0.2        0          100        0      200 ?
*>e 100.0.2.0/24       9.0.0.2        0          100        0      200 ?
*>e 100.0.3.0/24       9.0.0.2        0          100        0      200 ?
Total number of entries 5