Cisco Cisco IOS Software Release 12.2(27)SBC
BGP Support for Sequenced Entries in Extended Community Lists
Configuration Examples for Sequenced Entries in Extended Community-lists
4
Cisco IOS Release: Multiple releases (see the Feature History table)
Verifying Extended Community-list Sequences
Perform this task to verify the configuration of extended community-list sequences.
SUMMARY STEPS
1.
show ip extcommunity-list [list-number | list-name]
DETAILED STEPS
Configuration Examples for Sequenced Entries in Extended
Community-lists
Community-lists
The following examples show how to configure and verify this feature:
•
•
•
Step 5
[sequence-number] {deny [rt extcom-value] [soo
extcom-value] | exit | permit [rt extcom-value]
[soo extcom-value] | resequence
[starting-sequence] [sequence-increment] }
Example:
Router(config-extcom-list)# 1000 permit rt
64512:10 soo 65535:20
Creates an extended community-list and controls access to
it.
it.
•
The example creates a standard named extended
community list with a sequence number 1000 that will
permit routes from route target 64512:10 and site of
origin 65535:20
community list with a sequence number 1000 that will
permit routes from route target 64512:10 and site of
origin 65535:20
The route target or site of origin extended community value
can be one of the following combinations:
can be one of the following combinations:
•
autonomous-system-number : network-number
•
ip-address : network-number
Step 6
end
Example:
Router(config-extcom-list)# end
Exits IP Extended community-list configuration mode and
enters privileged EXEC mode.
enters privileged EXEC mode.
Command or Action
Purpose
Command or Action
Purpose
Step 1
show ip extcommunity-list
[list-number |
list-name]
Example:
Router# show ip extcommunity-list
Displays routes that are permitted by an extended
community list.
community list.