Description

By default, IGMPv3 query for all host will be sent out by igmp-snooping configuration with source address of 0.0.0.0 for multicast group 224.0.0.1 ( all host group)

 

In 23.4R1 and later releases, statement version is introduced to change from version 3 to version 2 if required.

 

https://www.juniper.net/documentation/us/en/software/junos/cli-reference/topics/ref/statement/version-edit-protocols-igmp.html

Symptoms

Multicast client might be receiving IGMPv3 query sent by EX/QFX switch with source address of 0.0.0.0 and destination of 224.0.0.1

Solution

Under protocol igmp-snooping, specify version 2 for the target multicast vlan as below syntax 
[edit protocols igmp-snooping vlan                 (all | vlan-name)] version


 

Modification History

2024-07-23 : Article Created