Sensitivity setting problem

insecure insecure at mail.od.ua
Mon Jun 23 17:04:21 EDT 2003


Hi folks,

I've hit a really unforeseen problem. My father and me have upgraded
RF path and aerial of our AP. We've got really nice signal levels now.

And now my AP hears some distant noises which I absolutely don't
want to hear. AP is desperately trying to pick it up among legitimate
traffic of my STAs, frequently lowering their bit rate down from 11M.
8(

Also my logs are constantly filling with hostap whining about seeing
packets directed at 'wrong' ap mac addr. Thankfully I have rotating logs
and there is no risk of disk being filled with this junk,
but I must say I've set a personal record of log rotation angular velocity
today ;););)

You can see one second worth of this log below my sig.

I tried iwconfig wlan0 sens 1,2,3 but to no avail.
I presume that foreign signal exceeds threshold at any of these
settings.

I've read the code and it seems hostap does not accept any other
sens values. What can I do? I hate to think that I'll need to add
*attenuators* to the RF path 8( 8( 8(
-- 
vda

22:49:10 kernel: 
22:49:11 kernel: wlan0: dropped received packet from 00:02:2d:51:3e:ab with no ToDS flag (type=0x02, subtype=0x00)
22:49:11 kernel: wlan0: RX signal=164 noise=156 rate=20 len=50 jiffies=14576029
22:49:11 kernel:    FC=0x0008 (type=2:0) dur=0x0000 seq=0x00f0
22:49:11 kernel:    A1=01:02:2d:61:49:cd A2=00:02:2d:51:3e:ab A3=00:00:00:00:00:00 A4=aa:aa:03:00:20:f6
22:49:11 kernel: 
22:49:11 kernel: wlan0: dropped received packet from 00:02:2d:51:3e:ab with no ToDS flag (type=0x02, subtype=0x00)
22:49:11 kernel: wlan0: RX signal=164 noise=156 rate=20 len=118 jiffies=14576031
22:49:11 kernel:    FC=0x0008 (type=2:0) dur=0x0000 seq=0x0120
22:49:11 kernel:    A1=01:02:2d:61:49:cd A2=00:02:2d:51:3e:ab A3=00:00:00:00:00:00 A4=aa:aa:03:00:20:f6
22:49:11 kernel: 
22:49:11 kernel: wlan0: dropped received packet from 00:02:2d:51:3e:ab with no ToDS flag (type=0x02, subtype=0x00)
22:49:11 kernel: wlan0: RX signal=164 noise=156 rate=20 len=50 jiffies=14576031
22:49:11 kernel:    FC=0x0008 (type=2:0) dur=0x0000 seq=0x0130
22:49:11 kernel:    A1=01:02:2d:61:49:cd A2=00:02:2d:51:3e:ab A3=00:00:00:00:00:00 A4=aa:aa:03:00:20:f6
22:49:11 kernel: 
22:49:11 kernel: wlan0: dropped received packet from 00:02:2d:51:3e:ab with no ToDS flag (type=0x02, subtype=0x00)
22:49:11 kernel: wlan0: RX signal=164 noise=156 rate=20 len=50 jiffies=14576034
22:49:11 kernel:    FC=0x0008 (type=2:0) dur=0x0000 seq=0x0140
22:49:11 kernel:    A1=01:02:2d:61:49:cd A2=00:02:2d:51:3e:ab A3=00:00:00:00:00:00 A4=aa:aa:03:00:20:f6
22:49:11 kernel: 
22:49:11 kernel: wlan0: dropped received packet from 00:02:2d:51:3e:ab with no ToDS flag (type=0x02, subtype=0x00)
22:49:11 kernel: wlan0: RX signal=163 noise=156 rate=20 len=50 jiffies=14576041
22:49:11 kernel:    FC=0x0008 (type=2:0) dur=0x0000 seq=0x0180
22:49:11 kernel:    A1=01:02:2d:61:49:cd A2=00:02:2d:51:3e:ab A3=00:00:00:00:00:00 A4=aa:aa:03:00:20:f6
22:49:11 kernel: 
22:49:11 kernel: wlan0: dropped received packet from 00:02:2d:51:3e:ab with no ToDS flag (type=0x02, subtype=0x00)
22:49:11 kernel: wlan0: RX signal=163 noise=156 rate=20 len=50 jiffies=14576045
22:49:11 kernel:    FC=0x0008 (type=2:0) dur=0x0000 seq=0x0190
22:49:11 kernel:    A1=01:02:2d:61:49:cd A2=00:02:2d:51:3e:ab A3=00:00:00:00:00:00 A4=aa:aa:03:00:20:f6
22:49:11 kernel: 
22:49:11 kernel: wlan0: dropped received packet from 00:02:2d:51:3e:ab with no ToDS flag (type=0x02, subtype=0x00)
22:49:11 kernel: wlan0: RX signal=164 noise=156 rate=20 len=50 jiffies=14576054
22:49:11 kernel:    FC=0x0008 (type=2:0) dur=0x0000 seq=0x01f0
22:49:11 kernel:    A1=01:02:2d:61:49:cd A2=00:02:2d:51:3e:ab A3=00:00:00:00:00:00 A4=aa:aa:03:00:20:f6
22:49:11 kernel: 
22:49:11 kernel: wlan0: dropped received packet from 00:02:2d:51:3e:ab with no ToDS flag (type=0x02, subtype=0x00)
22:49:11 kernel: wlan0: RX signal=164 noise=156 rate=20 len=50 jiffies=14576069
22:49:11 kernel:    FC=0x0008 (type=2:0) dur=0x0000 seq=0x0230
22:49:11 kernel:    A1=01:02:2d:61:49:cd A2=00:02:2d:51:3e:ab A3=00:00:00:00:00:00 A4=aa:aa:03:00:20:f6
22:49:11 kernel: 
22:49:11 kernel: wlan0: dropped received packet from 00:02:2d:51:3e:ab with no ToDS flag (type=0x02, subtype=0x00)
22:49:11 kernel: wlan0: RX signal=164 noise=156 rate=20 len=50 jiffies=14576073
22:49:11 kernel:    FC=0x0008 (type=2:0) dur=0x0000 seq=0x0250
22:49:11 kernel:    A1=01:02:2d:61:49:cd A2=00:02:2d:51:3e:ab A3=00:00:00:00:00:00 A4=aa:aa:03:00:20:f6
22:49:11 kernel: 
22:49:11 kernel: wlan0: dropped received packet from 00:02:2d:51:3e:ab with no ToDS flag (type=0x02, subtype=0x00)
22:49:11 kernel: wlan0: RX signal=164 noise=156 rate=20 len=50 jiffies=14576074
22:49:11 kernel:    FC=0x0008 (type=2:0) dur=0x0000 seq=0x0260
22:49:11 kernel:    A1=01:02:2d:61:49:cd A2=00:02:2d:51:3e:ab A3=00:00:00:00:00:00 A4=aa:aa:03:00:20:f6
22:49:11 kernel: 
22:49:11 kernel: wlan0: dropped received packet from 00:02:2d:51:3e:ab with no ToDS flag (type=0x02, subtype=0x00)
22:49:11 kernel: wlan0: RX signal=164 noise=156 rate=20 len=50 jiffies=14576077
22:49:11 kernel:    FC=0x0008 (type=2:0) dur=0x0000 seq=0x02a0
22:49:11 kernel:    A1=01:02:2d:61:49:cd A2=00:02:2d:51:3e:ab A3=00:00:00:00:00:00 A4=aa:aa:03:00:20:f6
22:49:11 kernel: 
22:49:11 kernel: wlan0: dropped received packet from 00:02:2d:51:3e:ab with no ToDS flag (type=0x02, subtype=0x00)
22:49:11 kernel: wlan0: RX signal=164 noise=156 rate=20 len=50 jiffies=14576079
22:49:11 kernel:    FC=0x0008 (type=2:0) dur=0x0000 seq=0x02b0
22:49:11 kernel:    A1=01:02:2d:61:49:cd A2=00:02:2d:51:3e:ab A3=00:00:00:00:00:00 A4=aa:aa:03:00:20:f6
22:49:11 kernel: 
22:49:11 kernel: wlan0: dropped received packet from 00:02:2d:51:3e:ab with no ToDS flag (type=0x02, subtype=0x00)
22:49:11 kernel: wlan0: RX signal=164 noise=156 rate=20 len=50 jiffies=14576082
22:49:11 kernel:    FC=0x0008 (type=2:0) dur=0x0000 seq=0x02c0
22:49:11 kernel:    A1=01:02:2d:61:49:cd A2=00:02:2d:51:3e:ab A3=00:00:00:00:00:00 A4=aa:aa:03:00:20:f6
22:49:11 kernel: 
22:49:11 kernel: wlan0: dropped received packet from 00:02:2d:51:3e:ab with no ToDS flag (type=0x02, subtype=0x00)
22:49:11 kernel: wlan0: RX signal=164 noise=156 rate=20 len=50 jiffies=14576087
22:49:11 kernel:    FC=0x0008 (type=2:0) dur=0x0000 seq=0x02d0
22:49:11 kernel:    A1=01:02:2d:61:49:cd A2=00:02:2d:51:3e:ab A3=00:00:00:00:00:00 A4=aa:aa:03:00:20:f6
22:49:11 kernel: 
22:49:11 kernel: wlan0: dropped received packet from 00:02:2d:51:3e:ab with no ToDS flag (type=0x02, subtype=0x00)
22:49:11 kernel: wlan0: RX signal=164 noise=156 rate=20 len=50 jiffies=14576091
22:49:11 kernel:    FC=0x0008 (type=2:0) dur=0x0000 seq=0x02e0
22:49:11 kernel:    A1=01:02:2d:61:49:cd A2=00:02:2d:51:3e:ab A3=00:00:00:00:00:00 A4=aa:aa:03:00:20:f6
22:49:11 kernel: 
22:49:11 kernel: wlan0: dropped received packet from 00:02:2d:51:3e:ab with no ToDS flag (type=0x02, subtype=0x00)
22:49:11 kernel: wlan0: RX signal=164 noise=156 rate=20 len=118 jiffies=14576092
22:49:11 kernel:    FC=0x0008 (type=2:0) dur=0x0000 seq=0x02f0
22:49:11 kernel:    A1=01:02:2d:61:49:cd A2=00:02:2d:51:3e:ab A3=00:00:00:00:00:00 A4=aa:aa:03:00:20:f6
22:49:11 kernel: 
22:49:11 kernel: wlan0: dropped received packet from 00:02:2d:51:3e:ab with no ToDS flag (type=0x02, subtype=0x00)
22:49:11 kernel: wlan0: RX signal=164 noise=156 rate=20 len=50 jiffies=14576092
22:49:11 kernel:    FC=0x0008 (type=2:0) dur=0x0000 seq=0x0310
22:49:11 kernel:    A1=01:02:2d:61:49:cd A2=00:02:2d:51:3e:ab A3=00:00:00:00:00:00 A4=aa:aa:03:00:20:f6
22:49:11 kernel: 
22:49:11 kernel: wlan0: dropped received packet from 00:02:2d:51:3e:ab with no ToDS flag (type=0x02, subtype=0x00)
22:49:11 kernel: wlan0: RX signal=164 noise=156 rate=20 len=50 jiffies=14576094
22:49:11 kernel:    FC=0x0008 (type=2:0) dur=0x0000 seq=0x0350
22:49:11 kernel:    A1=01:02:2d:61:49:cd A2=00:02:2d:51:3e:ab A3=00:00:00:00:00:00 A4=aa:aa:03:00:20:f6
22:49:11 kernel: 
22:49:11 kernel: wlan0: dropped received packet from 00:02:2d:51:3e:ab with no ToDS flag (type=0x02, subtype=0x00)
22:49:11 kernel: wlan0: RX signal=164 noise=156 rate=20 len=227 jiffies=14576098
22:49:11 kernel:    FC=0x0008 (type=2:0) dur=0x0000 seq=0x0380
22:49:11 kernel:    A1=01:02:2d:61:49:cd A2=00:02:2d:51:3e:ab A3=00:00:00:00:00:00 A4=aa:aa:03:00:20:f6
22:49:11 kernel: 
22:49:11 kernel: wlan0: dropped received packet from 00:02:2d:51:3e:ab with no ToDS flag (type=0x02, subtype=0x00)
22:49:11 kernel: wlan0: RX signal=164 noise=156 rate=20 len=50 jiffies=14576099
22:49:11 kernel:    FC=0x0008 (type=2:0) dur=0x0000 seq=0x03a0
22:49:11 kernel:    A1=01:02:2d:61:49:cd A2=00:02:2d:51:3e:ab A3=00:00:00:00:00:00 A4=aa:aa:03:00:20:f6
22:49:11 kernel: 
22:49:11 kernel: wlan0: dropped received packet from 00:02:2d:51:3e:ab with no ToDS flag (type=0x02, subtype=0x00)
22:49:11 kernel: wlan0: RX signal=163 noise=156 rate=20 len=50 jiffies=14576101
22:49:11 kernel:    FC=0x0008 (type=2:0) dur=0x0000 seq=0x03c0
22:49:11 kernel:    A1=01:02:2d:61:49:cd A2=00:02:2d:51:3e:ab A3=00:00:00:00:00:00 A4=aa:aa:03:00:20:f6
22:49:11 kernel: 
22:49:11 kernel: wlan0: dropped received packet from 00:02:2d:51:3e:ab with no ToDS flag (type=0x02, subtype=0x00)
22:49:11 kernel: wlan0: RX signal=164 noise=156 rate=20 len=50 jiffies=14576104
22:49:11 kernel:    FC=0x0008 (type=2:0) dur=0x0000 seq=0x03d0
22:49:11 kernel:    A1=01:02:2d:61:49:cd A2=00:02:2d:51:3e:ab A3=00:00:00:00:00:00 A4=aa:aa:03:00:20:f6
22:49:11 kernel: 
22:49:11 kernel: wlan0: dropped received packet from 00:02:2d:51:3e:ab with no ToDS flag (type=0x02, subtype=0x00)
22:49:11 kernel: wlan0: RX signal=164 noise=156 rate=20 len=50 jiffies=14576106
22:49:11 kernel:    FC=0x0008 (type=2:0) dur=0x0000 seq=0x03e0
22:49:11 kernel:    A1=01:02:2d:61:49:cd A2=00:02:2d:51:3e:ab A3=00:00:00:00:00:00 A4=aa:aa:03:00:20:f6
22:49:11 kernel: 
22:49:11 kernel: wlan0: dropped received packet from 00:02:2d:51:3e:ab with no ToDS flag (type=0x02, subtype=0x00)
22:49:11 kernel: wlan0: RX signal=163 noise=156 rate=20 len=50 jiffies=14576106
22:49:11 kernel:    FC=0x0008 (type=2:0) dur=0x0000 seq=0x03f0
22:49:11 kernel:    A1=01:02:2d:61:49:cd A2=00:02:2d:51:3e:ab A3=00:00:00:00:00:00 A4=aa:aa:03:00:20:f6
22:49:11 kernel: 
22:49:11 kernel: wlan0: dropped received packet from 00:02:2d:51:3e:ab with no ToDS flag (type=0x02, subtype=0x00)
22:49:11 kernel: wlan0: RX signal=164 noise=156 rate=20 len=50 jiffies=14576108
22:49:11 kernel:    FC=0x0008 (type=2:0) dur=0x0000 seq=0x0400
22:49:11 kernel:    A1=01:02:2d:61:49:cd A2=00:02:2d:51:3e:ab A3=00:00:00:00:00:00 A4=aa:aa:03:00:20:f6
22:49:11 kernel: 
22:49:11 kernel: wlan0: dropped received packet from 00:02:2d:51:3e:ab with no ToDS flag (type=0x02, subtype=0x00)
22:49:11 kernel: wlan0: RX signal=164 noise=156 rate=20 len=50 jiffies=14576116
22:49:11 kernel:    FC=0x0008 (type=2:0) dur=0x0000 seq=0x0440
22:49:11 kernel:    A1=01:02:2d:61:49:cd A2=00:02:2d:51:3e:ab A3=00:00:00:00:00:00 A4=aa:aa:03:00:20:f6
22:49:11 kernel: 
22:49:11 kernel: wlan0: dropped received packet from 00:02:2d:51:3e:ab with no ToDS flag (type=0x02, subtype=0x00)
22:49:11 kernel: wlan0: RX signal=164 noise=156 rate=20 len=50 jiffies=14576117
22:49:11 kernel:    FC=0x0008 (type=2:0) dur=0x0000 seq=0x0450
22:49:11 kernel:    A1=01:02:2d:61:49:cd A2=00:02:2d:51:3e:ab A3=00:00:00:00:00:00 A4=aa:aa:03:00:20:f6
22:49:11 kernel: 
22:49:11 kernel: wlan0: dropped received packet from 00:02:2d:51:3e:ab with no ToDS flag (type=0x02, subtype=0x00)
22:49:11 kernel: wlan0: RX signal=164 noise=156 rate=20 len=50 jiffies=14576117
22:49:11 kernel:    FC=0x0008 (type=2:0) dur=0x0000 seq=0x0460
22:49:11 kernel:    A1=01:02:2d:61:49:cd A2=00:02:2d:51:3e:ab A3=00:00:00:00:00:00 A4=aa:aa:03:00:20:f6
22:49:11 kernel: 
22:49:11 kernel: wlan0: dropped received packet from 00:02:2d:51:3e:ab with no ToDS flag (type=0x02, subtype=0x00)
22:49:11 kernel: wlan0: RX signal=164 noise=156 rate=20 len=118 jiffies=14576120
22:49:11 kernel:    FC=0x0008 (type=2:0) dur=0x0000 seq=0x0470
22:49:11 kernel:    A1=01:02:2d:61:49:cd A2=00:02:2d:51:3e:ab A3=00:00:00:00:00:00 A4=aa:aa:03:00:20:f6
22:49:11 kernel: 
22:49:11 kernel: wlan0: dropped received packet from 00:02:2d:51:3e:ab with no ToDS flag (type=0x02, subtype=0x00)
22:49:11 kernel: wlan0: RX signal=164 noise=156 rate=20 len=118 jiffies=14576120
22:49:11 kernel:    FC=0x0008 (type=2:0) dur=0x0000 seq=0x0480
22:49:11 kernel:    A1=01:02:2d:61:49:cd A2=00:02:2d:51:3e:ab A3=00:00:00:00:00:00 A4=aa:aa:03:00:20:f6
22:49:11 kernel: 
22:49:11 kernel: wlan0: dropped received packet from 00:02:2d:51:3e:ab with no ToDS flag (type=0x02, subtype=0x00)
22:49:11 kernel: wlan0: RX signal=164 noise=156 rate=20 len=50 jiffies=14576120
22:49:11 kernel:    FC=0x0008 (type=2:0) dur=0x0000 seq=0x0490
22:49:11 kernel:    A1=01:02:2d:61:49:cd A2=00:02:2d:51:3e:ab A3=00:00:00:00:00:00 A4=aa:aa:03:00:20:f6
22:49:11 kernel: 
22:49:12 kernel: wlan0: dropped received packet from 00:02:2d:51:3e:ab with no ToDS flag (type=0x02, subtype=0x00)



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