ZyXEL Communications GLC1320G-55 Support Notes page 29

1.7. Enable IGMP Proxy on the IES-5106
Click Multicast > IGMP in the navigation panel to display the configuration
screen. Select Enable_IGMP_Proxy in the IGMP Mode field and click Apply
to save the changes.
1.8. Enter 103 in the Add Static Query VLAN field and click Apply to save the
changes.
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