Microsens MS453490M Management Guide - Manual (Page 858)

C HAPTER 37 | Multicast Filtering Commands
IGMP Snooping
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D EFAULT S ETTING
Global: Disabled
VLAN: Disabled
C OMMAND M ODE
Global Configuration
C OMMAND U SAGE
◆ If version exclusive is disabled on a VLAN, then this setting is based on
the global setting. If it is enabled on a VLAN, then this setting takes
precedence over the global setting.
◆ When this function is disabled, the currently selected version is
backward compatible (see the ip igmp snooping version command.
E XAMPLE
Console(config)#ip igmp snooping version-exclusive
Console(config)#
ip igmp snooping
vlan general-query-
suppression
This command suppresses general queries except for ports attached to
downstream multicast hosts. Use the no form to flood general queries to
all ports except for the multicast router port.
S YNTAX
[no] ip igmp snooping vlan vlan-id general-query-suppression
vlan-id - VLAN ID (Range: 1-4093)
D EFAULT S ETTING
Disabled
C OMMAND M ODE
Global Configuration
C OMMAND U SAGE
◆ By default, general query messages are flooded to all ports, except for
the multicast router through which they are received.
◆ If general query suppression is enabled, then these messages are
forwarded only to downstream ports which have joined a multicast
service.
E XAMPLE
Console(config)#ip igmp snooping vlan 1 general-query-suppression
Console(config)#