Layer 3 Routing Commands 1254If more than the maximum allowed communities are configured, the excessentries are ignored.Command HistoryIntroduced in version 6.2.0.1 firmware.Exampleconsole(config)# ip community-list standard test permitip extcommunity-listUse the ip extcommunity-list command to create an extended communitylist to configure VRF route filtering. Use the no form of the command toconfigure VRF route filtering.Syntaxip extcommunity-list standard-list [permit | deny][rt value] [soo value]no ip extcommunity-list standard-list• standard-list — A standard list number from 1 to 99 that identifies one ormore permit or deny groups of extended communities.• permit | deny— Permits or denies access for a matching condition. Oncea permit value has been configured to match a given set of extendedcommunities, the extended community list defaults to an implicit deny forall other values.• rt value— Specifies the route target (RT). extended community value. Theroute target can be configured only with standard extended communitylists. This value can be entered in one of the following formats:– 16-bit AS number :a 32-bit value (Ex : 100:11)– 32-bit IPv4 address :a 16-bit value (Ex : 10.1.1.1:22)• soo value— Specifies the site of origin (SOO) extended community value.The site of origin can be configured only with standard extendedcommunity lists. This value can be entered in one of the following formats:– 16-bit AS number :a 32-bit value (Ex : 100:11)– 32-bit IPv4 address :a 16-bit value (Ex : 10.1.1.1:22)
