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 processed by the CPU.
8.6.39 show mac-address-table gmrp
This command displays the GARP Multicast Registration Protocol (GMRP) entries in the Multicast Forwarding Database (MFDB)
table.
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Format
show mac-address-table gmrp
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Mode
Privileged EXEC
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Mac Address - A unicast MAC address for which the switch has forwarding and or filtering information. The format is 6 or
8 two-digit hexadecimal numbers that are separated by colons, for example 01:23:45:67:89:AB. In an IVL system the
MAC address will be displayed as 8 bytes.
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Type - This displays the type of the entry. Static entries are those that are configured by the end user. Dynamic entries are
added to the table as a result of a learning process or protocol.
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Description - The text description of this multicast table entry.
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Interfaces - The list of interfaces that are designated for forwarding (Fwd:) and filtering (Flt:).
8.6.40 show mac-address-table igmpsnooping
This command displays the IGMP Snooping entries in the Multicast Forwarding Database (MFDB) table.
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Format
show mac-address-table igmpsnooping
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ModePrivileged EXEC
▫
Mac Address - A unicast MAC address for which the switch has forwarding and or filtering information. The format is 6 or
8 two-digit hexadecimal numbers that are separated by colons, for example 01:23:45:67:89:AB. In an IVL system the
MAC address will be displayed as 8 bytes.
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Type - This displays the type of the entry. Static entries are those that are configured by the end user. Dynamic entries are
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