Multicast Filtering Commands
4-237
4
Example
Related Commands
ip igmp snooping (4-228)
show ip igmp snooping (4-230)
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 4-239)
, as well as the Other Querier Present
Interval, and the Startup Query Count (RFC 2236).
Example
Console(config)#interface vlan 1
Console(config-if)#ip igmp
Console(config-if)#end
Console#show ip igmp interface
Vlan 1 is up
IGMP is enable, version is 2
Robustness variable is 2
Query interval is 125 sec
Query Max Response Time is 10 sec, Last Member Query Interval is 1 sec
Querier is 10.1.0.253
Console#
Console(config-if)#ip igmp robustval 3
Console(config-if)#