• no-export: routes with the COMMUNITY attribute of NO_EXPORT.• quote-regexp: then any number of regular expressions. The software applies all regular expressions in the list.• regexp: then a regular expression.Example of the show ip community-lists CommandTo view the configuration, use the show config command in CONFIGURATION COMMUNITY-LIST or CONFIGURATIONEXTCOMMUNITY LIST mode or the show ip {community-lists | extcommunity-list} command in EXEC Privilegemode.Dell#show ip community-listsip community-list standard 1deny 701:20deny 702:20deny 703:20deny 704:20deny 705:20deny 14551:20deny 701:112deny 702:112deny 703:112deny 704:112deny 705:112deny 14551:112deny 701:667deny 702:667deny 703:667deny 704:666deny 705:666deny 14551:666Dell#Configuring an IP Extended Community ListTo configure an IP extended community list, use these commands.1. Create a extended community list and enter the EXTCOMMUNITY-LIST mode.CONFIGURATION modeip extcommunity-list extcommunity-list-name2. Two types of extended communities are supported.CONFIG-COMMUNITY-LIST mode{permit | deny} {{rt | soo} {ASN:NN | IPADDR:N} | regex REGEX-LINE}Filter routes based on the type of extended communities they carry using one of the following keywords:• rt: route target.• soo: route origin or site-of-origin. Support for matching extended communities against regular expression is also supported.Match against a regular expression using the following keyword.• regexp: regular expression.Example of the show ip extcommunity-lists CommandTo set or modify an extended community attribute, use the set extcommunity {rt | soo} {ASN:NN | IPADDR:NN}command.To view the configuration, use the show config command in CONFIGURATION COMMUNITY-LIST or CONFIGURATIONEXTCOMMUNITY LIST mode or the show ip {community-lists | extcommunity-list} command in EXEC Privilegemode.Dell#show ip community-listsip community-list standard 1180 Border Gateway Protocol IPv4 (BGPv4)
