Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
vlan vlan-id
A VLAN is created and the VLAN view is displayed.
Step 3 Run:
igmp-snooping enable
The IGMP snooping is enabled in the VLAN.
----End
1.4.3 (Optional) Setting the Forwarding Mode of Multicast Data in
a VLAN
Context
You can set the forwarding mode of multicast data so that the multicast flows can be forwarded
based on IP addresses or MAC addresses. When multicast IP addresses are mapped to MAC
addresses, up to 32 IP addresses can be mapped to one MAC address. Therefore, it is
recommended that multicast data be forwarded based on IP addresses; otherwise, unregistered
users may receive the multicast data.
CAUTION
l Before setting the forwarding mode of multicast data in a VLAN, disable IGMP snooping
in the VLAN. After setting the forwarding mode, enable IGMP snooping in the VLAN for
the configuration to take effect.
l When the forwarding in the VLAN is based on the MAC address, the IGMP message
version cannot be set to IGMPv3.
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
vlan vlan-id
The VLAN view is displayed.
Step 3 Run:
l2-multicast forwarding-mode { ip | mac }
Quidway S9300 Terabit Routing Switch
Configuration Guide - Multicast 1 Layer 2 Multicast Configuration
Issue 01 (2009-07-28) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
1-5
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