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Date:      Sat, 26 Jul 2003 16:30:56 -0400
From:      David Gilbert <dgilbert@dclg.ca>
To:        freebsd-hackers@freebsd.org
Subject:   wi in access point mode.
Message-ID:  <16162.58624.332784.501662@canoe.velocet.net>

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I complained some time ago that my wi0 in my laptop would commonly
loose sync.  It appears to be the other way around.  With other access
points, it works flawlessly.  With my home accesspoint ... provided by
a FreeBSD-4.8-STABLE machine, the loss of sync is as follows:

transferring from the ap to the laptop: loss of sync occaisionally
... seems exascerbated by traffic.

transferring from the laptop to the ap: fairly stable.

here's the interesting datapoint:

When the ap is busy compiling and or ripping cds, the problem 10x
worse than at any other time.  The laptop card sees loss of
association as often as every few seconds.

now: I'm getting a small number of these:

wi0: oversized mgmt packet received in hostap mode (wi_dat_len=58544, wi_status=0x8000)

the AP probes as:

wi0: <Intersil Prism2.5> mem 0xcecff000-0xcecfffff irq 11 at device 17.0 on pci0
wi0: 802.11 address: 00:05:5d:ee:e6:e7
wi0: using RF:PRISM2.5 MAC:ISL3874A(Mini-PCI)
wi0: Intersil Firmware: Primary 1.00.05, Station 1.03.04

and is configured as:

ifconfig_wi0="inet 216.138.225.97 netmask 255.255.255.248 ssid GILBERT mediaopt hostap channel 11"

wi0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        inet 216.138.225.97 netmask 0xfffffff8 broadcast 216.138.225.103
        inet6 fe80::205:5dff:feee:e6e7%wi0 prefixlen 64 scopeid 0x3 
        ether 00:05:5d:ee:e6:e7
        media: IEEE 802.11 Wireless Ethernet autoselect <hostap> (DS/2Mbps <hostap>)
        status: associated
        ssid GILBERT 1:GILBERT
        stationname "FreeBSD WaveLAN/IEEE node"
        channel 11 authmode OPEN powersavemode OFF powersavesleep 100
        wepmode OFF weptxkey 1

NIC serial number:                      [ 99SA01000000 ]
Station name:                           [ FreeBSD WaveLAN/IEEE node ]
SSID for IBSS creation:                 [ GILBERT ]
Current netname (SSID):                 [ GILBERT ]
Desired netname (SSID):                 [ GILBERT ]
Current BSSID:                          [ 00:05:5d:ee:e6:e7 ]
Channel list:                           [ 2047 ]
IBSS channel:                           [ 11 ]
Current channel:                        [ 11 ]
Comms quality/signal/noise:             [ 0 81 27 ]
Promiscuous mode:                       [ Off ]
Process 802.11b Frame:                  [ Off ]
Intersil-Prism2 based card:             [ 1 ]
Port type (1=BSS, 3=ad-hoc):            [ 6 ]
MAC address:                            [ 00:05:5d:ee:e6:e7 ]
TX rate (selection):                    [ 3 ]
TX rate (actual speed):                 [ 2 ]
RTS/CTS handshake threshold:            [ 2347 ]
Create IBSS:                            [ Off ]
Access point density:                   [ 1 ]
Power Mgmt (1=on, 0=off):               [ 0 ]
Max sleep time:                         [ 100 ]
WEP encryption:                         [ Off ]
TX encryption key:                      [ 1 ]
Encryption keys:                        [  ][  ][  ][  ]

Dave.

-- 
============================================================================
|David Gilbert, Independant Contractor.       | Two things can only be     |
|Mail:       dave@daveg.ca                    |  equal if and only if they |
|http://daveg.ca                              |   are precisely opposite.  |
=========================================================GLO================



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