Reference Guide

422 | Border Gateway Protocol IPv4 (BGPv4)
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Example
Figure 12-32. Command Example: match extcommunity
Command
History
permit
c e s
Use this feature to add rules (permit) from the two types of extended communities, Route Origin (rt) or
Site-of-Origin (soo).
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
Defaults
Not Configured
Command Modes
CONFIGURATION (conf-ext-community-list)
Related
Commands
Command
History
permit regex
c e s
This features enables you specify an extended communities to forward (permit) using a regular
expressions (regex).
Syntax
permit regex {regex}
To remove, use the no permit regex {regex} command.
(config-route-map)#match extcommunity Freedombird
(config-route-map)#
Version 7.8.1.0 Introduced on S-Series
Version 7.7.1.0 Introduced on C-Series
Version 7.6.1.0 Introduced on E-Series
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)
deny Configure to delete (deny) rules
show ip extcommunity-list Display the Extended Community list
Version 7.8.1.0 Introduced on S-Series
Version 7.7.1.0 Introduced on C-Series
Version 7.6.1.0 Introduced on E-Series