ip extcommunity-list segmented-nh basic

Function

The ip extcommunity-list segmented-nh basic command configures a segmented-nh attribute, which is a basic extended community attribute.

The undo ip extcommunity-list segmented-nh basic command deletes a segmented-nh attribute.

By default, no segmented-nh attribute is configured.

Format

ip extcommunity-list segmented-nh basic segmented-nh-name [ index index-value ] matchMode { segmented-nh-value } &<1-16>

undo ip extcommunity-list segmented-nh basic segmented-nh-name [ index index-value ]

Parameters

Parameter	Description	Value
segmented-nh-name	Sets a name for a segmented-nh attribute list.	The value is a string of 1 to 51 characters.
index index-value	Specifies a sequence number.	The value is an integer ranging from 1 to 4294967295.
matchMode	Sets the matching mode of the community filter.	The value is an enumerated type: permit: Sets the matching mode of the community filter to permit. deny: Sets the matching mode of the community filter to deny.
segmented-nh-value	Specifies a name for a segmented-nh attribute.	The segmented-nh attribute 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. An AS number ranges from 65536 to 4294967295. A 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, where 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.
basic	Indicates a basic extended community attribute.	-

Views

System view

Default Level

2: Configuration level

Task Name and Operations

Task Name	Operations
route-base	write

Usage Guidelines

Usage Scenario

In an NG MVPN scenario using segmented tunnels, to configure a segmented-nh (with the full name being segmented next-hop) attribute for intra-AS I-PMSI A-D routes, run the ip extcommunity-list segmented-nh command.

Precautions

The name of a basic segmented-nh extended community attribute and that of an advanced segmented-nh extended community attribute are mutually exclusive.

Example

# Configure a basic segmented-nh attribute with the sequence number being aa.

<HUAWEI> system-view
[~HUAWEI] ip extcommunity-list segmented-nh basic aa permit 1.1.1.1:5