Reference v4.1.0 Instruction Manual

Network OS Command Reference 345

53-1003115-01

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"

See Also seq, ip community-list standard