Date: Sun, 22 Jul 2012 22:08:02 -0400 From: Kim Culhan <w8hdkim@gmail.com> To: Adrian Chadd <adrian.chadd@gmail.com> Cc: freebsd-wireless@freebsd.org Subject: Re: multi vap Multi-SSID with ath on FreeBSD 10-current Message-ID: <CAKZxVQXyQYjysiaYsnPbYPxROyu%2BYyo=rwL7hHL9bbOhi4jP4A@mail.gmail.com> In-Reply-To: <CAJ-Vmom9rtw4fwr2FYcVTey6TfrbPDsHLsbRmHyDAOfb6niVrQ@mail.gmail.com> References: <CAKZxVQWJ76dCVY0OHULFAXXm2hHA3GfdCQLFJ1F5J5DMNMjKoQ@mail.gmail.com> <CAJ-Vmo=eXrcEQ8eBRA1qbpZ=_XZiKK793LCSfE-mYQFnCBGfMQ@mail.gmail.com> <CAKZxVQV7v_i=AWeg4aLA7AA01q7MwehtDy98Kn__Ob5BBSNa1Q@mail.gmail.com> <CAJ-Vmom9rtw4fwr2FYcVTey6TfrbPDsHLsbRmHyDAOfb6niVrQ@mail.gmail.com>
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On Sun, Jul 22, 2012 at 11:22 AM, Adrian Chadd <adrian.chadd@gmail.com> wrote: > Hm, ok. > > So I'd start diagnosing this by setting up another FreeBSD device in > monitor mode on that channel and capturing some beacons. > Then take a look in wireshark and make sure you're seeing beacons consistently. > > I bet the beacon timer and beacon slot configuration is all subtly > messed up, leading to this mess. I've setup another machine running -current and have it running in monitor mode. Some output looks like: 21:38:55.159960 709697219us tsft 1.0 Mb/s -21dB signal -96dB noise antenna 1 2437 MHz 11g Beacon (ap1) [1.0* 2.0* 5.5* 11.0* 6.0 9.0 12.0 18.0 Mbit] ESS CH: 6 21:38:55.211339 709748597us tsft 1.0 Mb/s -14dB signal -96dB noise antenna 1 2437 MHz 11g Beacon (ap2) [1.0* 2.0* 5.5* 11.0* 6.0 9.0 12.0 18.0 Mbit] ESS CH: 6, PRIVACY 21:38:55.236939 709774195us tsft 1.0 Mb/s -13dB signal -96dB noise antenna 1 2437 MHz 11g Beacon (ap3) [1.0* 2.0* 5.5* 11.0* 6.0 9.0 12.0 18.0 Mbit] ESS CH: 6, PRIVACY 21:38:55.243399 709780617us tsft MCS 7 -55dB signal -96dB noise antenna 1 2437 MHz 11g ht/40+ CF +QoS Data IV:68e Pad 20 KeyID 0 21:38:55.243403 709780661us tsft short preamble 24.0 Mb/s -18dB signal -96dB noise antenna 1 2437 MHz 11g Acknowledgment RA:90:f6:52:75:eb:99 21:38:55.243859 709780972us tsft short preamble 24.0 Mb/s -17dB signal -96dB noise antenna 1 2437 MHz 11g Request-To-Send TA:fe:d1:11:38:3c:e5 21:38:55.243863 709781016us tsft short preamble 24.0 Mb/s -53dB signal -96dB noise antenna 1 2437 MHz 11g Clear-To-Send RA:fe:d1:11:38:3c:e5 Looks like its good to go in monitor mode. -kim
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