Administrator Guide

Layer 3 Routing Commands 1271
Syntax
ip community-list standard list-name {permit | deny} [ community-number ]
[no-advertise] [no-export] [no-export-subconfed] [no-peer]
no ip community-list standard
list-name
• standard list-name —Identifies a named standard community list. The
name may contain up to 32 characters.
•
permit —Indicates that matching routes are permitted.
•
deny —Indicates that matching routes are denied.
•
community-number —From zero to sixteen community numbers
formatted as a 32-bit integers or in AA:NN format, where AA is a 2-byte
autonomous system number and NN is a 16 bit integer. The range is 1 to
4,294,967,295 (any 32-bit integer other than 0). Communities are
separated by spaces.
•
no-advertise —The well-known standard community: NO_ADVERTISE
(0xFFFFFF02), which indicates the community is not to be advertised.
•
no-export —The well-known standard community: NO_EXPORT,
(0xFFFFFF01), which indicates the routes are not to be advertised outside
the community.
•
no-export-subconfed —The well-known standard community:
NO_EXPORT_SUBCONFED (0xFFFFFF03), which indicates the routes
are not to be advertised to external BGP peers.
Default Configuration
No community lists are configured by default.
Command Mode
Global Configuration mode
User Guidelines
A community list statement with no community values is considered a match
for all routes, regardless of their community membership. So the statement
ip community-list bullseye permit
is a “permit all” statement.
2CSNXXX_SWUM204.book Page 1271 Monday, January 25, 2016 1:25 PM