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DXS-3600 Series 10GbE Layer 2/3 Switch CLI Reference Guide
87
7-33 ip community-list
This command is used to create a community list or add a community list entry to an existing community list. Use the
no form of this command to delete the community list or one of its entries.
Standard Community Lists:
ip community-list standard COMMUNITY-LIST-NAME [{permit | deny} COMMUNITY]
no ip community-list standard COMMUNITY-LIST-NAME [{permit | deny} COMMUNITY]
Expanded Community Lists:
ip community-list expanded COMMUNITY-LIST-NAME [{permit | deny} REGEXP]
no ip community-list expanded COMMUNITY-LIST-NAME [{permit | deny} REGEXP]
Parameters
Example
This example shows how to delete an entry in an AS path access list, earlier
configured.
DXS-3600-32S#configure terminal
DXS-3600-32S(config)#no ip as-path access-list mylist deny ^65535$
DXS-3600-32S(config)#
Example
After that, the AS path access list, called ‘mylist’, has no entry, but it still exists.
The following example show how to delete an AS path access list, no matter whether
it has entries or not.
DXS-3600-32S#configure terminal
DXS-3600-32S(config)#no ip as-path access-list mylist
DXS-3600-32S(config)#
COMMUNITY-LIST-NAME Specifies the community list name. It can accept up to 16 characters. The syntax is
general string that does not allow space.
permit Specifies the community to accept.
deny Specifies the community to reject.
COMMUNITY Specifies the community value, which is a 32-bit integer. It can be a user-specified
number represented by AA:NN, where AA (AS number) is the upper part of the word
and NN (community number, user-specified) is the lower part of the word.
It can also be one of the following reserved community values:
internet - Specifies that routes are advertised to all peers (internal and external).
local-AS - Specifies that routes not to be advertised to external BGP peers.
no-advertise - Specifies that routes not to be advertised to other BGP peers.
no-export - Specifies that routes not to be advertised outside of the Autonomous
System boundary.
REGEXP Specifies to configures a regular expression that is used to specify a pattern to match
against an input string. Regular expressions can be used only with expanded
community lists. The maximum length is 80 characters.
Default
The BGP community exchange is disabled by default. It is enabled on a per-
neighbor basis with the neighbor send-community command.
The Internet community is applied to all routes or prefixes by default, until any other
community value is configured with this command or the set community command.
Command Mode
Global Configuration Mode.
Command Default Level
Level: 8. (EI Mode Only Command)
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