apply extcommunity soo

Function

The apply extcommunity soo command configures Source of Origin (SoO) extended community attributes for BGP routes.

The undo apply extcommunity soo command cancels the configuration.

By default, no SoO extended community attributes are configured.

apply extcommunity soo { site-of-origin } &<1-16> additive

undo apply extcommunity soo

Parameter	Description	Value
site-of-origin	Specifies SoO extended community attributes.	The SoO attribute is a BGP extended community attribute and can be expressed in any of the following formats: 2-byte AS number:4-byte user-defined number, for example, 1:3. The AS number ranges from 0 to 65535, and the user-defined number ranges from 0 to 4294967295. IPv4-address:2-byte user-defined number, for example, 192.168.122.15:1. The IP address ranges from 0.0.0.0 to 255.255.255.255, and the user-defined number ranges from 0 to 65535. Integral 4-byte AS number:2-byte user-defined number, for example, 0:3 or 65537:3. The AS number ranges from 65536 to 4294967295, and the user-defined number ranges from 0 to 65535. 4-byte AS number in dotted notation:2-byte user-defined number, for example, 0.0:3 or 0.1:0. A 4-byte AS number in dotted notation is in the format of x.y, in which x and y are integers ranging from 1 to 65535 and from 0 to 65535, respectively. A user-defined number ranges from 0 to 65535.
additive	Indicates that existing extended community attributes can be added to routes.	-

Parameter

Description

Value

site-of-origin

Specifies SoO extended community attributes.

The SoO attribute is a BGP extended community attribute and can be expressed in any of the following formats:

2-byte AS number:4-byte user-defined number, for example, 1:3. The AS number ranges from 0 to 65535, and the user-defined number ranges from 0 to 4294967295.
IPv4-address:2-byte user-defined number, for example, 192.168.122.15:1. The IP address ranges from 0.0.0.0 to 255.255.255.255, and the user-defined number ranges from 0 to 65535.
Integral 4-byte AS number:2-byte user-defined number, for example, 0:3 or 65537:3. The AS number ranges from 65536 to 4294967295, and the user-defined number ranges from 0 to 65535.
4-byte AS number in dotted notation:2-byte user-defined number, for example, 0.0:3 or 0.1:0. A 4-byte AS number in dotted notation is in the format of x.y, in which x and y are integers ranging from 1 to 65535 and from 0 to 65535, respectively. A user-defined number ranges from 0 to 65535.

additive

Indicates that existing extended community attributes can be added to routes.

Route-policy view

2: Configuration level

Task Name	Operations
route-base	write

Usage Scenario

The apply extcommunity command is applicable to the VPN. At present, there are two types of BGP extended community attributes.

VPN route-target (RT) extended community
Source of Origin (SoO) extended community
At present, SoO extended community attributes can be set only through a route-policy.

Prerequisites

A route-policy has been configured using the route-policy command.

# Add 1.2.3.4:5 to the SoO extended community attribute of BGP.

<HUAWEI> system-view
[~HUAWEI] route-policy policy permit node 10
[*HUAWEI-route-policy] apply extcommunity soo 1.2.3.4:5 additive