On Thu, 2009-07-30 at 10:45 -0700, reinette chatre wrote: > I captured the exchange when this problem occurs using a third system. > The card does indeed try several times to send a probe request and they > are making it out over the air. The AP never responds. > > Is there perhaps anything in this exchange that can help us understand > what is going on? > > No. Time Source Destination Protocol Info > 163883 401.891153 00:16:ea:XX:XX:XX 00:14:f2:XX:XX:XX IEEE 802.11 Probe Request, SN=980, FN=0, Flags=........, SSID="XXX" > 163885 401.891482 00:14:f2:XX:XX:XX 00:16:ea:XX:XX:XX IEEE 802.11 Probe Response, SN=3557, FN=0, Flags=........, BI=100, SSID="XXX" It's responding here, > 165523 404.884405 00:16:ea:XX:XX:XX 00:14:f2:XX:XX:XX IEEE 802.11 Probe Request, SN=981, FN=0, Flags=........, SSID="XXX" > 165525 404.885265 00:14:f2:XX:XX:XX 00:16:ea:XX:XX:XX IEEE 802.11 Probe Response, SN=3827, FN=0, Flags=....R..., BI=100, SSID="XXX" and here, > 166981 407.884161 00:16:ea:XX:XX:XX 00:14:f2:XX:XX:XX IEEE 802.11 Probe Request, SN=982, FN=0, Flags=........, SSID="XXX" > 166983 407.884555 00:14:f2:XX:XX:XX 00:16:ea:XX:XX:XX IEEE 802.11 Probe Response, SN=4034, FN=0, Flags=........, BI=100, SSID="XXX" and here, > 168133 410.884167 00:16:ea:XX:XX:XX 00:14:f2:XX:XX:XX IEEE 802.11 Probe Request, SN=983, FN=0, Flags=........, SSID="XXX" > 168134 410.884430 00:16:ea:XX:XX:XX 00:14:f2:XX:XX:XX IEEE 802.11 Probe Request, SN=983, FN=0, Flags=....R..., SSID="XXX" > 168135 410.884643 00:16:ea:XX:XX:XX 00:14:f2:XX:XX:XX IEEE 802.11 Probe Request, SN=983, FN=0, Flags=....R..., SSID="XXX" > 168136 410.884904 00:16:ea:XX:XX:XX 00:14:f2:XX:XX:XX IEEE 802.11 Probe Request, SN=983, FN=0, Flags=....R..., SSID="XXX" > 168137 410.885073 00:16:ea:XX:XX:XX 00:14:f2:XX:XX:XX IEEE 802.11 Probe Request, SN=983, FN=0, Flags=....R..., SSID="XXX" > 168138 410.885330 00:16:ea:XX:XX:XX 00:14:f2:XX:XX:XX IEEE 802.11 Probe Request, SN=983, FN=0, Flags=....R..., SSID="XXX" > 168139 410.885580 00:16:ea:XX:XX:XX 00:14:f2:XX:XX:XX IEEE 802.11 Probe Request, SN=983, FN=0, Flags=....R..., SSID="XXX" > 168140 410.885769 00:16:ea:XX:XX:XX 00:14:f2:XX:XX:XX IEEE 802.11 Probe Request, SN=983, FN=0, Flags=....R..., SSID="XXX" > 168141 410.886618 00:16:ea:XX:XX:XX 00:14:f2:XX:XX:XX IEEE 802.11 Probe Request, SN=983, FN=0, Flags=....R..., SSID="XXX" > 168142 410.887087 00:16:ea:XX:XX:XX 00:14:f2:XX:XX:XX IEEE 802.11 Probe Request, SN=983, FN=0, Flags=....R..., SSID="XXX" > 168143 410.887308 00:16:ea:XX:XX:XX 00:14:f2:XX:XX:XX IEEE 802.11 Probe Request, SN=983, FN=0, Flags=....R..., SSID="XXX" > 168144 410.887532 00:16:ea:XX:XX:XX 00:14:f2:XX:XX:XX IEEE 802.11 Probe Request, SN=983, FN=0, Flags=....R..., SSID="XXX" but then it stops -- try to send that frame 12 times in quick succession. > 168191 411.084889 00:16:ea:XX:XX:XX 00:14:f2:XX:XX:XX IEEE 802.11 Deauthentication, SN=984, FN=0, Flags=........ And then give up. Oddly, that frame is not retried?! I would expect that to be retried too if the AP has gone south!? johannes
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