Show Ip Igmp Snooping Querier - Cisco ME 3400 Command Reference Manual
Ethernet access switch
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- Software configuration manual (1138 pages) ,
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show ip igmp snooping querier
show ip igmp snooping querier
Use the show ip igmp snooping querier user EXEC command to display the IP address and incoming
port for the Internet Group Management Protocol (IGMP) query most recently received by the switch.
Syntax Description
vlan vlan-id
detail
| begin
| exclude
| include
expression
Command Modes
User EXEC
Command History
Release
12.2(25)EX
Usage Guidelines
Use the show ip igmp snooping querier command to display the IGMP version and IP address of a
detected device (also called a querier) that sends IGMP query message. A subnet can have multiple
multicast routers but has only one IGMP querier. In a subnet running IGMPv2, one of the multicast
routers is elected as the querier. The querier can be a Layer 3 switch.
The show ip igmp 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 show ip igmp snooping querier detail user EXEC command is similar to the show ip igmp
snooping querier command. However, the show ip igmp snooping querier detail command displays
the IP address of the most recent device detected by the switch querier along with this additional
information:
•
•
Expressions are case sensitive. For example, if you enter | exclude output, the lines that contain output
do not appear, but the lines that contain Output appear.
Cisco ME 3400 Ethernet Access Switch Command Reference
2-434
show ip igmp snooping querier [vlan vlan-id] [detail] [ | {begin | exclude | include} expression]
(Optional) Specify a VLAN; the range is 1 to 1001 and 1006 to 4094.
(Optional) Display querier information as well as configuration and operational
information pertaining to the querier.
(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.
The elected IGMP querier in the VLAN
The configuration and operational information pertaining to the switch querier (if any) that is
configured in the VLAN
Chapter 2 Cisco ME 3400 Ethernet Access Switch Cisco IOS Commands
OL-9640-07
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