Administrator Guide

Example
Dell(conf)#ip extcommunity-list test
Dell(conf-ext-community-list)#
match extcommunity
To match an extended community in the Route Map mode, use this feature.
C9000 Series
Syntax
match extcommunity {extended community list name}
To change the match, use the no match extcommunity {extended community list name}
command.
Parameters
extended
community list
name
Enter the name of the extended community list.
Defaults none
Command Modes ROUTE MAP (config-route-map)
Command History
This guide is platform-specific. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.9(0.0) Introduced on the C9010.
9.2(1.0) Introduced on the Z9500.
7.8.1.0 Introduced on the S-Series.
7.7.1.0 Introduced on the C-Series.
7.6.1.0 Introduced on the E-Series.
Usage Information Like standard communities, you can use extended communities in the route-map to match the attribute.
Example
Dell(config-route-map)#match extcommunity Freedombird
Dell(config-route-map)#
permit
To add rules (permit) from the two types of extended communities, Route Origin (rt) or Site-of-Origin (soo), use this feature.
C9000 Series
Syntax
permit {rt | soo} {as4 ASN4:NN | ASN:NNNN | IPADDR:NN}
To change the rules, use the no permit {rt | soo} {as4 ASN4:NN | ASN:NNNN | IPADDR:NN}
command.
Parameters
rt Enter the keyword rt to designate a Route Origin community.
soo Enter the keyword soo to designate a Site-of-Origin community (also known as Route
Origin).
as4 ASN4:NN Enter the keyword as4 then the 4-octet AS specific extended community number in the
format ASN4:NN (4-byte AS number:2-byte community value).
408 Border Gateway Protocol