Reference Guide

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
Use this feature to add rules (permit) from the two types of extended communities, Route Origin (rt) or
Site-of-Origin (soo).
S5000
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 followed by the 4-octet AS specific
extended community number in the format ASN4:NN (4-
byte AS number:2-byte community value).
ASN:NNNN Enter the 2-octet AS specific extended community number
in the format ASN:NNNN (2-byte AS number:4-byte
community value).
IPADDR:NN Enter the IP address specific extended community in the
format IPADDR:NN (4-byte IPv4 Unicast Address:2-byte
community value).
Defaults Not configured.
Command
Modes
CONFIGURATION (conf-ext-community-list)
Command
History
Version 9.0(1.3) Introduced on the S5000.
Related
Commands
deny – configures to delete (deny) rules.
show ip bgp extcommunity-list – displays the extended community list.
384
Border Gateway Protocol IPv4 (BGPv4)