peer advertise-ext-community (BGP multi-instance VPN instance IPv4 address family view) (group)

Function

The peer advertise-ext-community command enables a device to advertise an extended community attribute to its peer.

The undo peer advertise-ext-community command cancels the existing configuration.

By default, a device does not advertise extended community attribute to its peer.

Format

peer group-name advertise-ext-community

undo peer group-name advertise-ext-community

Parameters

Parameter	Description	Value
group-name	Specifies the name of a peer group.	The name is a string of 1 to 47 case-sensitive characters, with spaces not supported. When double quotation marks are used around the string, spaces are allowed in the string.

Parameter

Description

Value

group-name

Specifies the name of a peer group.

The name is a string of 1 to 47 case-sensitive characters, with spaces not supported. When double quotation marks are used around the string, spaces are allowed in the string.

Views

BGP multi-instance VPN instance IPv4 address family view

Default Level

2: Configuration level

Task Name and Operations

Task Name	Operations
bgp	write

Usage Guidelines

Usage Scenario

The peer advertise-ext-community command is used to enable a device to advertise an extended community attribute to a specified peer.

Precautions

Before running the peer advertise-ext-community command to configure extended community attributes, you can use a routing policy to define specific community attributes.

Example

# Configure a device to advertise an extended community attribute to its peer group.

<HUAWEI> system-view
[~HUAWEI] ip vpn-instance vpna
[*HUAWEI-vpn-instance-vpna] ipv4-family
[*HUAWEI-vpn-instance-vpna-af-ipv4] route-distinguisher 100:1
[*HUAWEI-vpn-instance-vpna-af-ipv4] vpn-target 111:1 both
[*HUAWEI-vpn-instance-vpna-af-ipv4] quit
[*HUAWEI-instance-vpna] quit
[*HUAWEI] bgp 100 instance a
[*HUAWEI-bgp-instance-a] ipv4-family vpn-instance vpna
[*HUAWEI-bgp-instance-a-vpna] group test
[*HUAWEI-bgp-instance-a-vpna] peer test advertise-ext-community