Dell C1048P Port Extender Networking Configuration Guide for the C9000 Series - Page 217

To view the BGP configuration, use the show config command in CONFIGURATION ROUTER BGP mode. If you want to remove or add a specific COMMUNITY number from a BGP path, you must create a route map with one or both of the following statements in the route map. Then apply that route map to a BGP neighbor or peer group. 1. Enter ROUTE-MAP mode and assign a name to a route map. CONFIGURATION mode route-map map-name [permit | deny] [sequence-number] 2. Configure a set filter to delete all COMMUNITY numbers in the IP community list. CONFIG-ROUTE-MAP mode set comm-list community-list-name delete OR set community {community-number | local-as | no-advertise | no-export | none} Configure a community list by denying or permitting specific community numbers or types of community. • community-number: use AA:NN format where AA is the AS number (2 or 4 Bytes) and NN is a value specific to that autonomous system. • local-AS: routes with the COMMUNITY attribute of NO_EXPORT_SUBCONFED and are not sent to EBGP peers. • no-advertise: routes with the COMMUNITY attribute of NO_ADVERTISE and are not advertised. • no-export: routes with the COMMUNITY attribute of NO_EXPORT. • none: remove the COMMUNITY attribute. • additive: add the communities to already existing communities. 3. Return to CONFIGURATION mode. CONFIG-ROUTE-MAP mode exit 4. Enter the ROUTER BGP mode. CONFIGURATION mode router bgp as-number 5. Apply the route map to the neighbor or peer group's incoming or outgoing routes. CONFIG-ROUTER-BGP mode neighbor {ip-address | peer-group-name} route-map map-name {in | out} Example of the show ip bgp community Command To view the BGP configuration, use the show config command in CONFIGURATION ROUTER BGP mode. To view a route map configuration, use the show route-map command in EXEC Privilege mode. To view BGP routes matching a certain community number or a pre-defined BGP community, use the show ip bgp community command in EXEC Privilege mode. Border Gateway Protocol IPv4 (BGPv4) 217