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Command Line Interface
4-230
4
Related Commands
ip igmp snooping (4-221)
show ip igmp snooping (4-222)
ip igmp robustval
This command specifies the robustness (i.e., expected packet loss) for this
interface. Use the no form of this command to restore the default value.
Syntax
ip igmp robustval robust-value
no ip igmp robustval
robust-value - The robustness of this interface. (Range: 1-255)
Default Setting
2
Command Mode
Interface Configuration (VLAN)
Command Usage
The robustness value is used in calculating the appropriate range for other
IGMP variables, such as
the Group Membership Interval (
ip igmp
last-memb-query-interval
, page 4-232)
, as well as the Other Querier Present
Interval, and the Startup Query Count (RFC 2236).
Example
ip igmp query-interval
This command configures the frequency at which host query messages are sent.
Use the no form to restore the default.
Syntax
ip igmp query-interval seconds
no ip igmp query-interval
seconds - The frequency at which the switch sends IGMP host-query
messages. (Range: 1-255)
Default Setting
125 seconds
Command Mode
Interface Configuration (VLAN)
Console(config-if)#ip igmp robustval 3
Console(config-if)#