Network Switch - How to block Multicast in your Network

Zyxel Switches from GS1900-10HP up to XGS4600 and ADSL/VDSL DSLAM allow us to drop Multicast in the local Network. The benefit of this is that Switch doesn’t flood Multicast in hole Network.

 

1) Configure Multicast Block

Navigate to: 

SWITCHING > Multicast > IPv4 Multicast > IGMP Snooping

 

Set Unknown Multicast Frame / Unknown Multicast Frame to Querier Port /
Reserved Multicast Group to Drop. (Info: It is not needed to set IGMP Snooping => Active)

Multicast will be dropped now in your Network.

2) Configure Multicast Block in Legacy GUI

Go to Multicast Setup under Advanced Applications and select here IPv4 Multicast:

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Go to IGMP Snooping:

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Set Unknown Multicast Frame / Unknown Multicast Frame to Querier Port /
Reserved Multicast Group to Drop. (Info: It is not needed to set IGMP Snooping => Active)

mceclip0.png

Multicast will be dropped now in your Network.

 

 

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