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S12700 V200R013C00 Command Reference

This document describes all the configuration commands of the device, including the command function, syntax, parameters, views, default level, usage guidelines, examples, and related commands.
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igmp-snooping enable (traffic profile view)

igmp-snooping enable (traffic profile view)

Function

The igmp-snooping enable command enables IGMP snooping in a traffic profile.

The undo igmp-snooping enable command disables IGMP snooping in a traffic profile.

By default, IGMP snooping is disabled in a traffic profile.

Format

igmp-snooping enable

undo igmp-snooping enable

Parameters

None

Views

Traffic profile view

Default Level

2: Configuration level

Usage Guidelines

Usage Scenario

IGMP snooping is a basic Layer 2 multicast function that forwards and controls multicast traffic at the data link layer. IGMP snooping runs on a Layer 2 device and analyzes IGMP messages exchanged between a Layer 3 device and hosts to set up and maintain a Layer 2 multicast forwarding table. The Layer 2 device forwards multicast packets based on the Layer 2 multicast forwarding table.

After you disable IGMP snooping in a traffic profile using the undo igmp-snooping enable command, all IGMP snooping configurations on the device are deleted. When you run the igmp-snooping enable command to enable IGMP snooping again, all IGMP snooping configurations are restored to the default settings on the device.

Prerequisites

The traffic profile has been created using the traffic-profile (WLAN view) command.

When multicast services are enabled, the multicast services may be affected if rate limit for multicast packets is enabled on an AP. In this case, you are advised to run the traffic-optimize broadcast-suppression rate-threshold (AP system profile view) command to adjust the rate limit threshold for multicast packets.

Example

# Enable IGMP snooping in traffic profile p1.
<HUAWEI> system-view
[HUAWEI] wlan
[HUAWEI-wlan-view] traffic-profile name p1
[HUAWEI-wlan-traffic-prof-p1] igmp-snooping enable
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Updated: 2019-04-09

Document ID: EDOC1100065659

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