local-mt filter-policy (IS-IS view)

Function

The local-mt filter-policy command configures a policy for IS-IS local Multicast Topology (MT).

The undo local-mt filter-policy command deletes the policy of IS-IS local MT.

By default, no policy is configured for local MT.

Format

local-mt filter-policy { acl { acl-number | acl-name } | ip-prefix ip-prefix-name }

undo local-mt filter-policy

Parameters

Parameter	Description	Value
acl	Specifies an ACL.	-
acl-number	Specifies the number of a basic ACL.	The value is an integer ranging from 2000 to 2999.
acl-name	Specifies the name of a named basic ACL.	The value is a string of 1 to 64 case-sensitive characters without spaces. The value must start with a letter (a to z or A to Z, case sensitive).
ip-prefix ip-prefix-name	Indicates the name of the IP prefix list.	The name is a string of 1 to 169 case-sensitive characters, with spaces not supported. When double quotation marks are used around the string, spaces are allowed in the string.

Views

IS-IS view

Default Level

2: Configuration level

Task Name and Operations

Task Name	Operations
isis	write

Usage Guidelines

Usage Scenario

To control the number of entries in the MIGP routing table, speed up the MIGP routing table lookup, and reduce memory resource consumption, configure a filtering policy to enable a device to add only the matching routes to the multicast source address to the MIGP routing table.

Prerequisites

IS-IS local MT has been enabled using the local-mt enable command.

Example

# Configure a policy for IS-IS local MT.

<HUAWEI> system-view
[~HUAWEI] acl 2000
[*HUAWEI-acl4-basic-2000] quit
[*HUAWEI] isis 1
[*HUAWEI-isis-1] local-mt filter-policy acl 2000