3Com MSR 50 Network Router User Manual


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1362 CHAPTER 88: IGMP CONFIGURATION COMMANDS
Use the undo timer other-querier-present command to restore the system
default.
By default, the IGMP other querier present interval is [ IGMP query interval ] times
[ IGMP querier robustness variable ] plus [ maximum response time for IGMP
general queries ] divided by two.
n
The three parameters in the above-mentioned formula default to 60 (seconds), 2
(times) and 10 (seconds) respectively, so the default other querier present interval
= 60 × 2 + 10 / 2 = 125 (seconds).
Related command: igmp timer other-querier-present, timer query (IGMP view), robust-count
(IGMP view), max-response-time (IGMP view), display igmp interface.
Example # Set the global value of the other querier present interval to 200 seconds in the
public instance.
<Sysname> system-view
[Sysname] igmp
[Sysname-igmp] timer other-querier-present 200
timer query (IGMP view)
Syntax timer query interval
undo timer query
View Public instance IGMP view, VPN instance IGMP view
Parameter interval: IGMP query interval in seconds, namely interval between IGMP general
queries sent by the querier, with an effective range of 1 to 18,000.
Description Use the
timer query command to configure the IGMP query interval globally.
Use the undo timer query command to restore the default setting.
By default, IGMP query interval is 60 seconds.
Related commands: igmp timer query, timer other-querier-present (IGMP view), display igmp
interface.
Example # Set the global value of the IGMP query interval to 125 seconds in the public
instance.
<Sysname> system-view
[Sysname] igmp
[Sysname-igmp] timer query 125