Cisco Catalyst 3750-X Command Reference

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Catalyst 3750-X and 3560-X Switch Command Reference
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Chapter 2 Catalyst 3750-X and 3560-X Switch Cisco IOS Commands
ip igmp snooping querier
ip igmp snooping querier
Use the ip igmp snooping querier global configuration command on the switch stack or on a standalone
switch to globally enable the Internet Group Management Protocol (IGMP) querier function in Layer 2
networks. Use the command with keywords to enable and configure the IGMP querier feature on a
VLAN interface. Use the no form of this command to return to the default settings.
ip igmp snooping querier [vlan vlan-id] [address ip-address | max-response-time response-time
| query-interval interval-count | tcn query [count count | interval interval] | timer expiry |
version version]
no ip igmp snooping querier [vlan vlan-id] [address | max-response-time | query-interval | tcn
query { count count | interval interval} | timer expiry | version]
Syntax Description
Defaults The IGMP snooping querier feature is globally disabled on the switch.
When enabled, the IGMP snooping querier disables itself if it detects IGMP traffic from a
multicast-enabled device.
Command Modes Global configuration
Command History
vlan vlan-id (Optional) Enable IGMP snooping and the IGMP querier function on the
specified VLAN. The range is 1 to 1001 and 1006 to 4094.
address ip-address (Optional) Specify a source IP address. If you do not specify an IP address,
the querier tries to use the global IP address configured for the IGMP querier.
max-response-time
response-time
(Optional) Set the maximum time to wait for an IGMP querier report. The range
is 1 to 25 seconds.
query-interval
interval-count
(Optional) Set the interval between IGMP queriers. The range is 1 to 18000
seconds.
tcn query[count count
| interval interval]
(Optional) Set parameters related to Topology Change Notifications (TCNs).
The keywords have these meanings:
• count count—Set the number of TCN queries to be executed during the
TCN interval time. The range is 1 to 10.
• interval interval—Set the TCN query interval time. The range is 1 to
255.
timer expiry (Optional) Set the length of time until the IGMP querier expires. The range
is 60 to 300 seconds.
version version (Optional) Select the IGMP version number that the querier feature uses.
Select 1 or 2.
Release Modification
12.2(53)SE2 This command was introduced.

Cisco Catalyst 3750-X Specifications

General

Switching Capacity	160 Gbps
Stacking Bandwidth	64 Gbps
Max Stacking Units	9
Layer Support	Layer 2 and Layer 3
Form Factor	Rack-mountable
DRAM	256 MB
Flash Memory	64 MB
Model	Cisco Catalyst 3750-X Series
Ports	24 or 48 10/100/1000 Ethernet ports
Uplink Interfaces	4 SFP or 2 SFP+
Features	StackWise Plus, EnergyWise
Image	IP Base or IP Services
Operating Temperature	0 to 40°C
Operating Humidity	10 to 85% noncondensing