Reference Guide

ip community-list
Enter COMMUNITY-LIST mode and create an IP community-list for BGP.
E-Series, S4810
Syntax
ip community-list comm-list-name
To delete a community-list, use the no ip community-list comm-list-name
command.
Parameters
comm-list-name Enter a text string as the name of the community-list, up to 140
characters.
Command Modes CONFIGURATION
Command History
Version 8.3.7.0 Introduced on the S4810.
Version 8.1.1.0 Introduced on the E-Series ExaScale.
Version 7.8.1.0 Increased the name string to accept up to 140 characters. Prior to
7.8.1.0, names are up to 16 characters long.
pre-Version
6.1.1.0
Introduced on the E-Series.
Example
FTOS(conf)#ip community-list TestComList
FTOS(config-community-list)#
permit
Configure a filter to forward routes that match the route’s COMMUNITY attribute.
E-Series
Syntax
permit {community-number | local-AS | no-advertise | no-export
| quote-regexp regular-expressions-list | regexp regular-
expression}
Parameters
community-
number
Enter the community number in AA:NN format where AA is the AS
number (2 bytes) and NN is a value specific to that autonomous
system.
local-AS
Enter the keywords local-AS to drop all routes with the
COMMUNITY attribute of NO_EXPORT_SUBCONFED.
All routes with the NO_EXPORT_SUBCONFED (0xFFFFFF03)
community attribute must not be advertised to external BGP peers.
no-advertise
Enter the keywords no-advertise to drop all routes containing
the well-known community attribute of NO_ADVERTISE.
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