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Page 83 | AlliedWare™ OS How To Note: IGMP
Example of bad choices for timer values > Example
Example of bad choices for timer values
It is generally unwise to change any of the default IGMP settings unless you have advanced
knowledge of how IGMP works. As "Timer and counter relationships" on page 69 describes,
most of the timers and counters are related. This means setting timers can cause problems
unless you understand the potential impact on the IGMP process.
This example sets three timers to excessively short values and discusses the potential
consequences.
Example
Imagine the following changes to the configuration:
The commands to configure these settings are:
set ip igmp lmqi=5
set ip igmp queryresponseinterval=5
set ip igmp timeout=126
The resulting values are displayed in the following output.
Timer New value
Last Member Query Interval 5
Query Response Interval 5
Default Timeout Interval 126
Manager Switch 1> show ip igmp
IGMP Protocol
------------------------------------------------------------------------
Status ........................... Enabled
Default Query Interval ........... 125 secs
Default Timeout Interval ......... 126 secs
Last Member Query Interval ....... 5 (1/10secs)
Last Member Query Count .......... 2
Robustness Variable .............. 2
Query Response Interval .......... 5 (1/10secs)
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