Switching Commands
166
ProSafe Managed Switch
no set igmp router-alert-check
This command disables the Router-Alert validation for IGMP snooping packets..
Format no set igmp router-alert-check
Mode
set igmp unknow-multicast filter
This command enables the filtering of unknown multicast packets to the VLAN. Packets with
an unknown multicast address in the destination field will be dropped. This command is
mainly used when IGMP snooping is enabled, to prevent flooding of unwanted multicast
packets to every port.
Format set igmp unknow-multicast filter
Mode
no set igmp unknow-multicast filter
This command disables the filtering of unknown multicast packets. Unknown multicast
packets will be flooded to all ports in the same VLAN.
Format no set igmp unknow-multicast filter
Mode
show igmpsnooping
This command displays IGMP Snooping information. Configured information is displayed
whether or not IGMP Snooping is enabled.
Format show igmpsnooping [<unit/slot/port> | <vlan_id>]
Mode
When the optional arguments <unit/slot/port> or <vlan_id> are not used, the
command displays the following information:
Global Config
Global Config
Global Config
Privileged EXEC
Term Definition
Admin Mode
Indicates whether or not IGMP Snooping is active on the switch.
Multicast
Control Frame
Count
The number of multicast control frames that are processed by the CPU.