Switching Commands
111
ProSAFE M7100 Managed Switches
no set igmp
This command disables IGMP Snooping on the system, an interface, or a VLAN.
set igmp interfacemode
This command enables IGMP Snooping on all interfaces. If an interface has IGMP Snooping
enabled and you enable this interface for routing or enlist it as a member of a port-channel
(LAG), IGMP Snooping functionality is disabled on that interface. IGMP Snooping functionality is
re-enabled if you disable routing or remove port-channel (LAG) membership from an interface
that has IGMP Snooping enabled.
no set igmp interfacemode
This command disables IGMP Snooping on all interfaces.
set igmp fast-leave
This command enables or disables IGMP Snooping fast-leave admin mode on a selected interface
or VLAN. Enabling fast-leave allows the switch to immediately remove the layer 2 LAN interface
from its forwarding table entry upon receiving an IGMP leave message for that multicast group
without first sending out MAC-based general queries to the interface.
You should enable fast-leave admin mode only on VLANs where only one host is connected to
each layer 2 L
AN port. This prevents the inadvertent dropping of the other hosts that were
connected to the same layer 2 LAN port but were still interested in receiving multicast traffic
directed to that group. Also, fast-leave processing is supported only with IGMP version 2 hosts.
Format no set igmp
Mode • Global Config
• Interface Config
F
ormat no set igmp <vlanid>
Mode VLAN Config
Default disabled
Format set igmp interfacemode
Mode Global Config
Format no set igmp interfacemode
Mode Global Config
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