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4.11 IGMP Snooping
The Internet Group Management Protocol (IGMP) is a protocol used for managing members of IP multicast groups. The
switch listens to the IGMP network traffic and forwards the IGMP multicast packets to member portals on which the
interested hosts are connected. On the wired side of the network, the switch floods all the wired interfaces. This feature
reduces unnecessary flooding of multicast traffic in the network.
4.11.1 IGMP Snoop Configuration
Use the
IGMP Snoop Config
To view and configure IGMP Snoop details:
1. Select
Network
2. Select the
IGMP Snoop Config
The
IGMP Snoop Config
Snoop Enable
Unknown Multicast
Forward
Apply
Revert
Vlan Index
Snoop Enable
Unknown Multicast
Forward
Learning Mode
Multicast Router Ports Lists the ports used for Multicast Routing. Can be one of the available ge ports.
tab to view and configure IGMP Snoop Configuration).
>
IGMP Snooping
from the main menu tree.
tab
tab displays the following information:
Select to enable IGMP Snooping on the switch. If disabled, snooping on a per VLAN basis is also
disabled.
Select to enable the switch to forward Multicast packets from unregistered Multicast Groups. If
disabled, Unknown Multicast Forward on a per VLAN basis is also disabled.
Click to
Apply
changes made to the running configuration.
Revert back to previous state from the running configuration.
The VLAN index on which IGMP Snooping is enabled.
The status of IGMP Snooping. Disabled for the selected VLAN if the screen displays a red cross mark.
The status of forwarding IGMP Multicast packets from unregistered Multicast Groups. Disabled for
selected VLAN if the screen displays a red cross mark.
Indicates how the switch learns IGMP Snooping information. Can be one of pimDvmrp or static.
Network Setup 4 - 163
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Troubleshooting
