2-127
Cisco Catalyst Blade Switch 3030 Command Reference
78-17262-01
Chapter 2 Cisco Catalyst Blade Switch 3030 Cisco IOS Commands
ip igmp snooping querier
ip igmp snooping querier
Use the
ip igmp snooping querier
global configuration command 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(25)SEE
This command was introduced.