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attribute before deleting the attribute. Current attributes are a VLAN or multicast group. This may
be considered a buffer time for another station to assert registration for the same attribute in order
to maintain uninterrupted service. There is an instance of this timer on a per-Port, per-GARP
participant basis. Permissible values are 20 to 600 centiseconds (0.2 to 6.0 seconds). The factory
default is 60 centiseconds (0.6 seconds). The finest granularity of specification is 1 centisecond
(0.01 seconds).
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LeaveAll Timer - This Leave All Time controls how frequently LeaveAll PDUs are generated. A
LeaveAll PDU indicates that all registrations will shortly be deregistered. Participants will need to
rejoin in order to maintain registration. There is an instance of this timer on a per-Port, per-GARP
participant basis. The Leave All Period Timer is set to a random value in the range of LeaveAllTime
to 1.5*LeaveAllTime. Permissible values are 200 to 6000 centiseconds (2 to 60 seconds). The
factory default is 1000 centiseconds (10 seconds). The finest granularity of specification is 1
centisecond (0.01 seconds).
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Port GMRP Mode - Indicates the GMRP administrative mode for the port. It may be enabled or
disabled. If this parameter is disabled, Join Time, Leave Time and Leave All Time have no effect.
The factory default is disabled.
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Port GVRP Mode - Indicates the GVRP administrative mode for the port. It may be enabled or
disabled. If this parameter is disabled, Join Time, Leave Time and Leave All Time have no effect.
The factory default is disabled.
8.6.38 show igmpsnooping
This command displays IGMP Snooping information. Configured information is displayed whether or not
IGMP Snooping is enabled. Status information is only displayed when IGMP Snooping is enabled.
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Format
show igmpsnooping
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Mode
Privileged EXEC
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Admin Mode - This indicates whether or not IGMP Snooping is active on the switch.
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Query Interval Time - This displays the IGMP Query Interval Time. This is the amount of time a
switch will wait for a report for a particular group on a particular interface before it sends a query on
that interface. This value may be configured
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Max Response Time - This displays the amount of time the switch will wait after sending a query
on an interface because it did not receive a report for a particular group on that interface. This
value may be configured.
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Multicast Router Present Expiration Time - If a query is not received on an interface within this
amount of time, the interface is removed from the list of interfaces with multicast routers attached.
This value may be configured.
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Interfaces Enabled for IGMP Snooping - This is the list of interfaces on which IGMP Snooping is
enabled. The following status values are only displayed when IGMP Snooping is enabled.
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Multicast Control Frame Count - This displays the number of multicast control frames that are
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