Switching Commands
162
ProSafe Managed Switch
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.
Default
Format set igmp interfacemode
Mode
no set igmp interfacemode
This command disables IGMP Snooping on all interfaces.
Format no set igmp interfacemode
Mode
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 LAN 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.
Default
Format set igmp fast-leave
Mode
Format set igmp fast-leave
<vlan_id>
Mode
no set igmp fast-leave
This command disables IGMP Snooping fast-leave admin mode on a selected interface.
Format no set igmp fast-leave
Mode
disabled
Global Config
Global Config
disabled
Interface Config
VLAN Config
Interface Config
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