Re: [tcpdump-workers] output query

2010-02-06 Thread Guy Harris
On Feb 6, 2010, at 4:41 PM, Guy Harris wrote: > [0x000e]: > > In theory, that would be an indication that there's a radiotap > "presence bit" that tcpdump doesn't know about, except that 0x000e has 3 > bits set. That's a bit number, not a bit, so it's a radiotap field with a bit

Re: [tcpdump-workers] output query

2010-02-06 Thread Guy Harris
On Feb 5, 2010, at 6:41 PM, Liu Feng wrote: > when I use tcpdump to capture wifi signals, this is the result I get: > > 15:47:31.547609 285163963350us tsft 1.0 Mb/s 2437 MHz (0x00a0) -98dB signal > -102dB noise antenna 1 [0x000e] BSSID:00:23:69:29:10:5b > DA:ff:ff:ff:ff:ff:ff SA:00:23:69

[tcpdump-workers] output query

2010-02-06 Thread Liu Feng
Hi,   when I use tcpdump to capture wifi signals, this is the result I get:   15:47:31.547609 285163963350us tsft 1.0 Mb/s 2437 MHz (0x00a0) -98dB signal -102dB noise antenna 1 [0x000e] BSSID:00:23:69:29:10:5b DA:ff:ff:ff:ff:ff:ff SA:00:23:69:29:10:5b Beacon (EKAHAU) ESS, PRIVACY can you te