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[DCN]Q&A: How to Configure IGMP Snooping on CE Series Switches ?

Latest reply: May 31, 2019 07:00:47 228 2 6 3

When a CE series switch acts as an IPv4 Layer 2 switch, it broadcasts all multicast packets passing through it in a broadcast domain by default. Therefore, all hosts in the same broadcast domain receive the multicast packets, regardless of whether they are group members. This causes a waste of network bandwidth and brings security risks.


This problem can be solved by configuring IGMP snooping on the Layer 2 multicast switch. With IGMP snooping configured, the switch listens to and analyzes IGMP packets exchanged between multicast users and the upstream router, and creates Layer 2 multicast forwarding entries based on IGMP packet information. Multicast data packets are then forwarded based on the Layer 2 multicast forwarding entries, instead of being broadcast on the Layer 2 network.


# Configure IGMP snooping in VLAN 10.

<HUAWEI> system-view

[~HUAWEI] igmp snooping enable                //Enable IGMP snooping globally.

[*HUAWEI] vlan 10

[*HUAWEI-vlan10] igmp snooping enable   //Enable IGMP snooping in the VLAN (broadcast domain).

[*HUAWEI-vlan10] commit


For details about IGMP snooping and how to configure it on CE12800 series switches, visit Snooping Configuration&lang=en


For details about IGMP snooping and how to configure it on CE8800, CE7800, CE6800, and CE5800 series switches, visit Snooping Configuration&lang=en

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Created May 31, 2019 06:52:13 Helpful(0) Helpful(0)

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Created May 31, 2019 07:00:47 Helpful(0) Helpful(0)

Very useful!
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