l
Act as IGMP Querier
—
Enables the switch as
Querier
. When Querier is enabled, the switch can serve as the Querier, which is responsible for asking
hosts if they are supposed to receive multicast traffic.
l
IGMP Query Count (2
–
10)
—
Sets the maximum number of queries issued for which there has been no response before the switch takes action to
solicit reports. (The range is 2 to 10.)
l
IGMP Query Interval (60
–
125)
—
Sets the frequency at which the switch sends IGMP host-query messages. (The range is 60 to 125.)
l
IGMP Report Delay (5
–
30)
—
Sets the time (in seconds) between receiving an IGMP Report for an IP multicast address on a port before the switch
sends an IGMP Query out of that port and removes the entry from its list. (The range is 5 to 30.)
l
IGMP Query Timeout (300
–
500)
—
Sets the time the switch waits after the previous querier has stopped querying before it takes over as the querier.
(The range is 300 to 500.)
l
IGMP Version
—
Sets the protocol version for compatibility with other devices on the network (1 or 2).
To save any changes you make in this page, click
Apply Changes
. If you don't want to save the changes, click
Refresh
.
CLI Commands
The following table summarizes the equivalent CLI commands for items in the
Multicast Support/IGMP Setting
page.
Example
Console(config)#ip igmp snooping
Console(config)#ip igmp snooping querier
Console(config)#ip igmp snooping query-count 10
Console(config)#ip igmp snooping query-interval 100
Console(config)#ip igmp snooping query-max-response- time 20
Console(config)#ip igmp snooping query-time-out 300
Console(config)#ip igmp snooping version 1
Console(config)#exit
Console#show ip igmp snooping
Service status: Enabled
Querier status: Enabled
Query count: 10
Query interval: 100 sec
Query max response time: 20 sec
Command
Usage
ip igmp snooping
Enables IGMP snooping on the switch
ip igmp snooping querier
Enables the switch as an IGMP snooping querier
ip igmp snooping query-count
count
Configures the query count
ip igmp snooping query-interval
seconds
Configures the snooping query interval
ip igmp snooping query-max-response time
seconds
Configures the snooping report delay
ip igmp snooping query-time-out
seconds
Configures the snooping query-timeout
ip igmp snooping version {1 | 2}
Configures the IGMP snooping version
show ip igmp snooping
Shows the IGMP snooping configuration
