Show Ipv6 Mld Snooping Querier - Cisco Catalyst 3560-X Command Reference Manual
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Chapter 2 Catalyst 3750-X and 3560-X Cisco IOS Commands
show ipv6 mld snooping querier
Syntax Description
Command Modes
Command History
Usage Guidelines
OL-21522-02
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Use the show ipv6 mld snooping querier user EXEC command to display IP version 6 (IPv6) Multicast
Listener Discovery (MLD) snooping querier-related information most recently received by the switch or
the VLAN.
show ipv6 mld snooping querier [vlan vlan-id] [detail] [ | {begin | exclude | include} expression]
vlan vlan-id
detail
| begin
| exclude
| include
expression
User EXEC
Release
12.2(53)SE2
Use the show ipv6 mld snooping querier command to display the MLD version and IPv6 address of a
detected device that sends MLD query messages, which is also called a querier. A subnet can have
multiple multicast routers but has only one MLD querier. The querier can be a Layer 3 switch.
The show ipv6 mld snooping querier command output also shows the VLAN and interface on which
the querier was detected. If the querier is the switch, the output shows the Port field as Router. If the
querier is a router, the output shows the port number on which the querier is learned in the Port field.
The output of the show ipv6 mld snoop querier vlan command displays the information received in
response to a query message from an external or internal querier. It does not display user-configured
VLAN values, such as the snooping robustness variable on the particular VLAN. This querier
information is used only on the MASQ message that is sent by the switch. It does not override the
user-configured robustness variable that is used for aging out a member that does not respond to query
messages.
VLAN numbers 1002 through 1005 are reserved for Token Ring and FDDI VLANs and cannot be used
in MLD snooping.
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(Optional) Specify a VLAN; the range is 1 to 1001 and 1006 to 4094.
(Optional) Display MLD snooping detailed querier information for the
switch or for the VLAN.
(Optional) Display begins with the line that matches the expression.
(Optional) Display excludes lines that match the expression.
(Optional) Display includes lines that match the specified expression.
Expression in the output to use as a reference point.
Modification
This command was introduced.
Catalyst 3750-X and 3560-X Switch Command Reference
show ipv6 mld snooping querier
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