Igmp-Snooping Querier - 3Com Switch 4500 Family Manual

If the function of dropping unknown multicast packets or the XRN fabric function is enabled, you
cannot enable the IGMP Snooping non-flooding function.
The IGMP Snooping non-flooding function and the multicast source port suppression function
cannot take effect at the same time. If both are configured, only the multicast source port
suppression function takes effect.
Related commands:
multicast-source-deny
Examples
# Enable IGMP Snooping non-flooding after you enable IGMP Snooping globally and disable both port
stacking and unknown-multicast dropping.
<Sysname> system-view
System View: return to User View with Ctrl+Z.
[Sysname] igmp-snooping enable
[Sysname] igmp-snooping nonflooding-enable

igmp-snooping querier

Syntax
igmp-snooping querier
undo igmp-snooping querier
View
VLAN view
Parameters
None
Description
Use the igmp-snooping querier command to enable the IGMP Snooping querier feature on the
current VLAN.
Use the undo igmp-snooping querier command to restore the default.
By default, the IGMP Snooping querier feature is disabled.
This command takes effect only if IGMP Snooping is enabled globally and also enabled in the current
VLAN.
Related commands: igmp-snooping enable, igmp-snooping query-interval, igmp-snooping
general-query source-ip
Examples
# Enable the IGMP Snooping querier in VLAN 3.
unknown-multicast
2-12
drop enable, multicast-source-deny, display