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Cisco Nexus 3548 Switch NX-OS Unicast Routing Command Reference
OL-27852-01
Chapter Unicast Routing Commands
ip extcommunity-list
ip extcommunity-list
To create an extended community list entry, use the ip extcommunity-list command. To remove the
entry, use the no form of this command.
ip extcommunity-list standard list-name {{deny | permit} 4byteas-generic {transitive |
nontransitive} aa4:nn}
no ip extcommunity-list standard list-name [[deny | permit] 4byteas-generic {transitive |
nontransitive} aa4:nn]
ip extcommunity-list expanded list-name {deny | permit} regexp
no ip extcommunity-list expanded list-name [[deny | permit] regexp]
Syntax Description
Command Default Community exchange is not enabled by default.
Command Modes Global configuration mode
Command History
standard list-name Configures a named standard extended community list.
deny Denies access for a matching condition.
permit Permits access for a matching condition.
4byteas-generic Specifies the generic specific extended community type.
transitive Configures BGP to propagate the extended community attributes to other
autonomous systems.
nontransitive Configures BGP to propagate the extended community attributes to other
autonomous systems.
aa4:nn (Optional) Autonomous system number and network number. This value is
configured with a 4-byte AS number and a 2-byte network number
separated by a colon. The 4-byte AS number range is from 1 to 4294967295
in plaintext notation, or from 1.0 to 56636.65535 in AS.dot notation. You
can enter a single community or multiple communities, each separated by a
space.
expanded list-name
Configures a named expanded extended community list.
regexp Regular expression that is used to specify a pattern to match against an input
string. The regular expression must be in the format aa:nn and can be a
maximum of 63 characters.
Note Regular expressions can be used with expanded extended
community lists only.
Release Modification
5.0(3)A1(1) This command was introduced.
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