Subject: Re: another ath(4) patch
To: Perry E. Metzger <>
From: Steven M. Bellovin <>
List: tech-net
Date: 10/26/2005 22:14:00
In message <>, "Perry E. Metzger" writes:
>"Steven M. Bellovin" <> 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,