Reference Guide

262 | Access Control Lists (ACL)
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Usage
Information
The community list used in the set comm-list delete command must be configured so that each
filter contains only one community. For example, the filter deny 100:12 is acceptable, but
the filter deny 120:13 140:33 results in an error.
If the
set comm-list delete command and the set community command are configured in the
same route map sequence, then the deletion command (
set comm-list delete) is processed
before the insertion command (
set community).
Prior to 7.8.1.0, names are up to 16 characters long.
Related
Commands
set community
c e s
Allows you to assign a BGP COMMUNITY attribute.
Syntax
set community {community-number | local-as | no-advertise | no-export | none} [additive]
To delete a BGP COMMUNITY attribute assignment, use the
no set community
{
community-number | local-as | no-advertise | no-export | none} command.
Parameters
Defaults
Not configured
Command Modes
ROUTE-MAP
ip community-list Configure community access list.
match community Redistribute routes that match the COMMUNITY attribute.
set community Specify a COMMUNITY attribute.
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.
All routes with the NO_ADVERTISE (0xFFFFFF02) community attribute
must not be advertised to other BGP peers.
no-export
Enter the keywords no-export to drop all routes containing the well-known
community attribute of NO_EXPORT.
All routes with the NO_EXPORT (0xFFFFFF01) community attribute must
not be advertised outside a BGP confederation boundary.
none
Enter the keywords none to remove the community attribute from routes
meeting the route map criteria.
additive
(OPTIONAL) Enter the keyword additive add the communities to already
existing communities.