Ip community-list extended – Brocade Network OS Command Reference v4.1.0 User Manual

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Network OS Command Reference

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ip community-list extended

Configures a community access control list (ACL), and specifies the community name and whether
to permit or deny traffic, including through the use of a regular expression.

Synopsis

ip community-list extended community-list-name {deny string | permit string} [seq seq]
[internet |local-as | no-advertise | no-export]

no ip community-list extended community-list-name

Operands

community-list-name Range is from 1 through 32 ASCII characters.

string

An ordered community-list regular expression.

seq

Sequence number. Range is from 1 through 65535.

internet

The Internet community.

no-export

Community of sub-ASs within a confederation. Routes with this community
can be exported to other sub-ASs in the same confederation but not
outside the confederation to other ASs or otherwise sent to EBGP
neighbors.

local-as

Local sub-AS within the confederation. Routes with this community can be
advertised only within the local sub-AS.

no-advertise

Routes with this community cannot be advertised to any other BGP4
devices at all.

regular-expression

A string enclosed in quotes.

Defaults

This option is disabled.

Command Modes

RBridge ID configuration mode

Description

Use this command to configure a community access control list (ACL), and to specify the
community name and whether to permit or deny traffic. Unlike a standard community list, this
command does accept a regular expression as long as the string is enclosed in quotes.

Usage Guidelines

Use the no form of this command to restore the default.

Examples

To create an extended community list:

switch(config)# rbridge-id 10

switch(config-rbridge-id-10)# ip community-list extended seq 10 permit

"mycommunity"