LevelOne GTL-2691 - Manual (Page 1192)

C HAPTER 42 | Multicast Filtering Commands
IGMP Snooping
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tree change occurred. When an upstream multicast router receives this
solicitation, it will also immediately issues an IGMP general query.
◆ The ip igmp snooping tcn query-solicit command can be used to
send a query solicitation whenever it notices a topology change, even if
the switch is not the root bridge in the spanning tree.
E XAMPLE
The following example instructs the switch to issue an IGMP general query
whenever it receives a spanning tree topology change notification.
Console(config)#ip igmp snooping tcn query-solicit
Console(config)#
ip igmp snooping
unregistered-data-
flood
This command floods unregistered multicast traffic into the attached VLAN.
Use the no form to drop unregistered multicast traffic.
S YNTAX
[no] ip igmp snooping unregistered-data-flood
D EFAULT S ETTING
Disabled
C OMMAND M ODE
Global Configuration
C OMMAND U SAGE
Once the table used to store multicast entries for IGMP snooping and
multicast routing is filled, no new entries are learned. If no router port is
configured in the attached VLAN, and unregistered-flooding is disabled,
any subsequent multicast traffic not found in the table is dropped,
otherwise it is flooded throughout the VLAN.
E XAMPLE
Console(config)#ip igmp snooping unregistered-data-flood
Console(config)#
ip igmp snooping
unsolicited-report-
interval
This command specifies how often the upstream interface should transmit
unsolicited IGMP reports when proxy reporting is enabled. Use the no form
to restore the default value.
S YNTAX
ip igmp snooping unsolicited-report-interval seconds
no ip igmp snooping version-exclusive
seconds - The interval at which to issue unsolicited reports.
(Range: 1-65535 seconds)