iwi not roaming between access points
damien.bergamini at free.fr
Sat Aug 27 07:47:55 GMT 2005
Thanks for your report. That doesn't surprise me too much since
there is nothing particular implemented in iwi for roaming support.
I guess the firmware needs some help from the host here too.
I'll investigate further into this once I got IBSS mode working ;)
From: "Adam McDougall" <mcdouga9 at egr.msu.edu>
To: <freebsd-current at freebsd.org>
Sent: Saturday, August 27, 2005 4:45 AM
Subject: iwi not roaming between access points
| I recently obtained a new Dell Latitude D810 laptop with
| Intel(R) PRO/Wireless 2200BG. It works reasonably well,
| but at work we have approx. 90 access points on the same
| ssid, and I cannot roam between them. If I compile
| /usr/src/tools/tools/ath/80211debug to work with iwi0
| rather than ath0 and run ./80211debug +dumppkts, I see
| verification of my theory that it is only talking with
| the access point it originally associated with. I can
| walk down the hallway until the signal vanishes past a
| useful level (as indicated by the number after rssi until
| no response), and by this I deduce that iwi0 is only talking
| with the original access point. At that point, if iwi0
| shows it is still associated (but not working),
| I can ifconfig iwi0 ssid "thessid" and iwi0 will rescan for
| access points and start working. However, if iwi0 shows
| no association, setting ssid does not work but doing an
| ifconfig down/up revives it.
| By the time I walk out of range of the original access point,
| I have walked past at least 2 other access points and closer
| to a third. If I take the stairs to another floor, it is
| a guaranteed dead association. When I login to the wireless
| equipment, I verify that my laptop is only associated with
| the originally associated access point.
| The same card works fine in windows, but thats just for
| reference ;)
| I am running 7.0-current last built on Aug 24, with
| Other wireless nics have worked fine for me in regards
| to roaming, although I do have an ipw0 available for
| testing that I have not tried roaming with if it would
| be helpful. I am very appreciative for the iwi driver
| since it has been more stable than other 802.11g drivers
| I have used in FreeBSD.
| Is there anything else I can try, or more details I can
| provide to solve this issue? Thanks.
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