Leigh You are correct, it should be 120 so that the queries are sent every 40 seconds (per the "n/3" formula you pointed out.) That was an oversight on my part. I have corrected it in the DSG. The corrected DSG will be available shortly, with a version number of 2963.
Jason Boyers - CCIE #26024 (Wireless) Technical Instructor - IPexpert, Inc. Mailto: *[email protected] * On Tue, Apr 26, 2011 at 5:16 AM, Leigh Jewell <[email protected]>wrote: > The question asks: > > "IGMP queries should be sent at 40 seconds intervals" > > The answer sets the IGMP timeout to 40 seconds. > > Checking the command > reference<http://www.cisco.com/en/US/partner/docs/wireless/controller/4.2/command/reference/cli42c1.html#wp4915845> > : > > "*The controller sends three queries in one timeout value at an interval > of timeout/3 to see if any clients exist for a particular multicast group* > " > So to get the queries to be sent out at 40 secs you would need to set the > timeout on the WLC to 3 x 40 = 120 secs. > > Thoughts ? > > Cheers, > Leigh. > > -- > CCIE Blog - http://leigh-cciewireless.blogspot.com/ > > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com > > Are you a CCNP or CCIE and looking for a job? Check out > www.PlatinumPlacement.com <http://www.platinumplacement.com/> > >
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