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(R1)(config)# route-map SEND_OUT permit 10
(R1)(config-route-map)# match extcommunity 13
(R1)(config-route-map)# set extcommunity rt 10:10 additive
(R1)(config-route-map)# exit
set extcommunity soo
Use the set extcommunity soo command to set BGP extended community
attributes for the site of origin. Use the no form of the command to remove
the extended community attributes for the site of origin.
NOTE: This command is effective only if BGP is running on the router.
Syntax
set extcommunity soo value [additive]
no set extcommunity soo
•
value — Specifies the site of origin extended community value. This value
can be entered in one of the following formats:
–
16-bit AS number :your 32-bit value (Ex : 100 :11)
–
32-bit IPv4 address :your 16-bit value (Ex : 10.1.1.1 :22
•
additive–Adds a route target to the existing route target list without
replacing any existing route targets.
Default Configuration
No site of origin extended community attributes are set.
Command Mode
Route Map Configuration mode
User Guidelines
The site of origin (SOO) extended communities attribute is configured with
the soo keyword. This attribute uniquely identifies the site from which the
Provider Edge (PE) router learned the route. All routes learned from a
particular site must be assigned the same SOO extended community
attribute, whether a site is connected to a single PE router or multiple PE
routers. Configuring this attribute prevents routing loops from occurring
when a site is multi-homed. The SOO extended community attribute is
Layer 3 Routing Commands
1316
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