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How to Configure IGMP on CE Series Switches ?

Created: May 31, 2019 07:43:39Latest reply: May 31, 2019 07:45:57 117 2 0 0
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How to Configure IGMP on CloudEngine Series Switches ?


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DCN_Documentation
Official Created May 31, 2019 07:45:17 Helpful(0) Helpful(0)

Hi there! Hope this will help you :)

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

Link: https://forum.huawei.com/enterpr ... s/thread/533623-861.
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DCN_Documentation
DCN_Documentation Official Created May 31, 2019 07:45:17 Helpful(0) Helpful(0)

Hi there! Hope this will help you :)

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

Link: https://forum.huawei.com/enterpr ... s/thread/533623-861.
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Sergio93
Sergio93 Created May 31, 2019 07:45:57 Helpful(0) Helpful(0)

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