No. Data
1 Interface that needs to be enabled with SSM mapping
2 Group address/mask and source address/mask
10.6.2 Enabling SSM Mapping
Prior to configuring SSM mapping, enable SSM mapping on the interface that connects the
multicast device to the user network segment; otherwise, the SSM entries do not take effect.
Context
Do as follows on the switch connected to hosts:
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
interface interface-type interface-number
The interface view is displayed.
Step 3 Run:
mld enable
MLD is enabled.
Step 4 Run:
mld version 2
The MLD version is set to 2.
By default, the MLD version is 1.
To ensure that the hosts that run any MLD version on the network segment can obtain the SSM
services, it is recommended to configure MLDv2 on the switch interface.
Step 5 Run:
mld ssm-mapping enable
The SSM mapping is enabled.
----End
10.6.3 Configuring the Static SSM Mapping Policy
You can configure SSM mapping on the interface that connects the multicast device to the user
network segment to enable the user hosts that support only MLDv1 but not MLDv2 to join a
specific source/group. In this manner, the multicast device running a later MLD version is
compatible with the hosts running an earlier MLD version and can provide the SSM service for
these hosts.
Quidway S7700 Smart Routing Switch
Configuration Guide - Multicast 10 MLD Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
369
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