Subject: Re: another ath(4) patch
To: Perry E. Metzger <firstname.lastname@example.org>
From: Steven M. Bellovin <email@example.com>
Date: 10/26/2005 22:14:00
In message <firstname.lastname@example.org>, "Perry E. Metzger" writes:
>"Steven M. Bellovin" <email@example.com> writes:
>>>Never mind the recovery time difference between DOWN and UP, look at
>>>the pattern where they go down. They are remarkably aligned, 3 hours
>>>and 4-5 seconds apart. =20
>>>Figure out what happens at that interval, and you have your cause.
>> What is the dhcp lease rebind time?
>I hard code the address on that network.
Hmm -- anything going on on the server end?
>BTW, I tried using the device a bit today at Columbia University --
>very bad performance. The device keeps pathologically scanning from
>one modulation mode to another very rapidly.
And I had no problem on campus today -- I couldn't get a single twitch
from 80211watch; it locked in immediately and stayed there.
--Steven M. Bellovin, http://www.cs.columbia.edu/~smb