3com S7906E Guide De Référence
1-26
Description
Use the reset igmp ssm-mapping group command to clear multicast group information created
based on the configured IGMP SSM mappings.
Note that if neither all-instance nor vpn-instance is specified, this command will clear the information
on the public instance.
Related commands: display igmp ssm-mapping group.
Examples
# Clear all multicast group information created based on the configured IGMP SSM mappings on all
interfaces in the public instance.
<Sysname> reset igmp ssm-mapping group all
robust-count (IGMP view)
Syntax
robust-count robust-value
undo robust-count
View
Public instance IGMP view, VPN instance IGMP view
Default Level
2: System level
Parameters
robust-value: IGMP querier robustness variable, with an effective range of 2 to 5. The IGMP robustness
variable determines the default number of general queries the IGMP querier sends on startup and the
number of IGMP group-specific queries the IGMP querier sends upon receiving an IGMP leave
message.
Description
Use the robust-count command to configure the IGMP querier robustness variable globally.
Use the undo robust-count command to restore the system default.
By default, the IGMP querier robustness variable is 2.
Related commands: igmp robust-count, timer query, last-member-query-interval, timer
other-querier-present, display igmp interface.
Examples
# Set the IGMP querier robustness variable to 3 globally in the public instance.
<Sysname> system-view
[Sysname] igmp
[Sysname-igmp] robust-count 3