So is the Ralink hardware really this much better? I put the devices in exactly the same location and then ran tcpdump on them.
Ralink sees exactly what I would expect. Using ralink cvs [EMAIL PROTECTED]:/extra/ralink/rt2x00$ sudo tcpdump -i wlan0 tcpdump: WARNING: wlan0: no IPv4 address assigned tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on wlan0, link-type PRISM_HEADER (802.11 plus Prism header), capture size 96 bytes 17:23:29.410800 Beacon[|802.11] 17:23:30.432959 Beacon[|802.11] 17:23:31.457002 Beacon[|802.11] 17:23:32.480943 Beacon[|802.11] 17:23:33.504904 Beacon[|802.11] 17:23:33.507517 Data IV:71f73 Pad 0 KeyID 0 17:23:34.528822 Beacon[|802.11] 17:23:35.552937 Beacon[|802.11] 17:23:36.576829 Beacon[|802.11] 17:23:37.600776 Beacon[|802.11] 17:23:38.624704 Beacon[|802.11] 17:23:39.648767 Beacon[|802.11] 17:23:39.651249 Data IV:71f74 Pad 0 KeyID 0 17:23:40.672691 Beacon[|802.11] 17:23:41.132610 Probe Request () [1.0* 2.0* 5.5* 11.0* Mbit] 17:23:41.133477 Probe Response[|802.11] 17:23:41.133916 Acknowledgment RA:00:11:95:18:15:31 (oui Unknown) 17:23:41.141613 Probe Request[|802.11] 17:23:41.142474 Probe Response[|802.11] 17:23:41.142845 Acknowledgment RA:00:11:95:18:15:31 (oui Unknown) 17:23:41.143608 Probe Response[|802.11] 17:23:41.143972 Acknowledgment RA:00:11:95:18:15:31 (oui Unknown) 17:23:41.696651 Beacon[|802.11] 17:23:42.106685 Probe Request () [1.0* 2.0* 5.5* 11.0* Mbit] 17:23:42.107547 Probe Response[|802.11] 17:23:42.107795 Acknowledgment RA:00:11:95:18:15:31 (oui Unknown) 17:23:42.115546 Probe Request[|802.11] 17:23:42.116419 Probe Response[|802.11] 17:23:42.116793 Acknowledgment RA:00:11:95:18:15:31 (oui Unknown) 17:23:42.117678 Probe Response[|802.11] 17:23:42.117932 Acknowledgment RA:00:11:95:18:15:31 (oui Unknown) 17:23:42.720589 Beacon[|802.11] 17:23:42.723186 Data IV:71f75 Pad 0 KeyID 0 17:23:43.744510 Beacon[|802.11] 17:23:44.768586 Beacon[|802.11] 17:23:45.792523 Beacon[|802.11] 17:23:46.816442 Beacon[|802.11] zd1211 sees the same traffic with a large amount of noise mixed in. I'm surprised that the zd1211 radio could be that bad. Using zd1211rw from v2.6.20 [EMAIL PROTECTED]:/extra/ralink/rt2x00$ sudo tcpdump -i eth1 tcpdump: WARNING: eth1: no IPv4 address assigned tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on eth1, link-type IEEE802_11_RADIO (802.11 plus BSD radio information header), capture size 96 bytes 17:24:41.038807 54.0 Mb/s 2412 MHz (0x00c0) Unknown Ctrl Subtype 17:24:41.049797 wep 54.0 Mb/s 2412 MHz (0x00c0) Unknown Ctrl Subtype 17:24:41.086986 1.0 Mb/s 2412 MHz (0x00a0) Beacon (Smirl) [1.0* 2.0* 5.5* 11.0* Mbit] ESS CH: 1, PRIVACY 17:24:41.102528 wep 36.0 Mb/s 2412 MHz (0x00c0) Data IV:ff7b97 Pad 8 KeyID 3 17:24:41.115769 48.0 Mb/s 2412 MHz (0x00c0) unknown IEEE802.11 frame type (3)(header) unknown IEEE802.11 frame type (3)unknown 802.11 frame type (3) 17:24:41.174255 18.0 Mb/s 2412 MHz (0x00c0) CF Ack/Poll 87:ff:19:7a:64:a9 (oui Unknown) Unknown SSAP 0x0c > 91:53:b2:8d:09:85 (oui Unknown) Unknown DSAP 0xae Supervisory, Receiver Ready, rcv seq 53, Flags [Command], length 1189 17:24:41.342343 48.0 Mb/s 2412 MHz (0x00c0) CF-End RA:ea:ae:fc:f2:31:87 (oui Unknown) 17:24:41.358466 36.0 Mb/s 2412 MHz (0x00c0) 88:02:0d:9d:10:fd (oui Unknown) Unknown SSAP 0xba > 6f:f9:f8:19:08:d1 (oui Unknown) Unknown DSAP 0xa6 Information, send seq 31, rcv seq 11, Flags [Command, Poll], length 1176 17:24:41.391109 9.0 Mb/s 2412 MHz (0x00c0) unknown IEEE802.11 frame type (3)(header) unknown IEEE802.11 frame type (3)unknown 802.11 frame type (3) 17:24:41.408214 wep 12.0 Mb/s 2412 MHz (0x00c0) Unknown Ctrl Subtype 17:24:41.448458 wep 9.0 Mb/s 2412 MHz (0x00c0) Data IV:d39ed0 Pad 26 KeyID 0 17:24:41.528451 wep 36.0 Mb/s 2412 MHz (0x00c0) Request-To-Send TA:ce:37:c8:b9:c2:b6 (oui Unknown) 17:24:41.537311 24.0 Mb/s 2412 MHz (0x00c0) ReAssoc Request () AP : 18:f9:c8:d7:a0:fe (oui Unknown) 17:24:41.623931 18.0 Mb/s 2412 MHz (0x00c0) Unknown Ctrl Subtype 17:24:41.784525 36.0 Mb/s 2412 MHz (0x00c0) unknown IEEE802.11 frame type (3)(header) unknown IEEE802.11 frame type (3)unknown 802.11 frame type (3) 17:24:41.808143 9.0 Mb/s 2412 MHz (0x00c0) CF Poll Data IV:d75733 Pad 10 KeyID 3 17:24:41.845247 48.0 Mb/s 2412 MHz (0x00c0) ReAssoc Request () AP : 77:f4:d3:f2:03:83 (oui Unknown) 17:24:41.881259 12.0 Mb/s 2412 MHz (0x00c0) Unhandled Management subtype(d) 17:24:42.043714 36.0 Mb/s 2412 MHz (0x00c0) unknown IEEE802.11 frame type (3)(header) unknown IEEE802.11 frame type (3)unknown 802.11 frame type (3) 17:24:42.063734 9.0 Mb/s 2412 MHz (0x00c0) 82:c9:5f:b2:10:44 (oui Unknown) Unknown SSAP 0x6e > 24:88:f4:80:b7:5c (oui Unknown) Unknown DSAP 0x8c Information, send seq 86, rcv seq 40, Flags [Command], length 3811 17:24:42.110717 1.0 Mb/s 2412 MHz (0x00a0) Beacon (Smirl) [1.0* 2.0* 5.5* 11.0* Mbit] ESS CH: 1, PRIVACY 17:24:42.409535 48.0 Mb/s 2412 MHz (0x00c0) ReAssoc Response AID(1211) :: n/a 17:24:42.462284 48.0 Mb/s 2412 MHz (0x00c0) Power Save-Poll AID(d3e) 17:24:42.514727 wep 24.0 Mb/s 2412 MHz (0x00c0) Unknown Ctrl Subtype 17:24:42.660979 wep 12.0 Mb/s 2412 MHz (0x00c0) Unhandled Management subtype(d) 17:24:42.741460 18.0 Mb/s 2412 MHz (0x00c0) Clear-To-Send RA:f5:9e:97:4c:da:5b (oui Unknown) 17:24:42.760345 6.0 Mb/s 2412 MHz (0x00c0) ATIM 17:24:42.795466 18.0 Mb/s 2412 MHz (0x00c0) CF Poll 82:9c:a1:0c:80:a2 (oui Unknown) Unknown SSAP 0xa8 > 4b:01:ac:84:da:4b (oui Unknown) Unknown DSAP 0x38 Information, send seq 89, rcv seq 10, Flags [Command], length 849 17:24:42.859820 18.0 Mb/s 2412 MHz (0x00c0) Data IV:c60335 Pad a KeyID 0 17:24:42.987301 54.0 Mb/s 2412 MHz (0x00c0) unknown IEEE802.11 frame type (3)(header) unknown IEEE802.11 frame type (3)unknown 802.11 frame type (3) 17:24:43.039410 6.0 Mb/s 2412 MHz (0x00c0) Unhandled Management subtype(d) 17:24:43.074049 wep 36.0 Mb/s 2412 MHz (0x00c0) CF Ack Data IV:d9dc31 Pad 18 KeyID 1 17:24:43.134656 1.0 Mb/s 2412 MHz (0x00a0) Beacon (Smirl) [1.0* 2.0* 5.5* 11.0* Mbit] ESS CH: 1, PRIVACY 17:24:43.141006 6.0 Mb/s 2412 MHz (0x00c0) unknown IEEE802.11 frame type (3)(header) unknown IEEE802.11 frame type (3)unknown 802.11 frame type (3) 17:24:43.247747 18.0 Mb/s 2412 MHz (0x00c0) Data IV:d63475 Pad 4 KeyID 1 17:24:43.358979 24.0 Mb/s 2412 MHz (0x00c0) 04:91:eb:ed:e6:ad (oui Unknown) Unknown SSAP 0x1e > 0f:14:9a:42:ae:a4 (oui Unknown) Unknown DSAP 0x2a Information, send seq 77, rcv seq 5, Flags [Command, Poll], length 2549 17:24:43.363998 48.0 Mb/s 2412 MHz (0x00c0) Unknown Ctrl Subtype 17:24:43.447960 wep 9.0 Mb/s 2412 MHz (0x00c0) Probe Response () CH: 0, PRIVACY 17:24:43.453329 24.0 Mb/s 2412 MHz (0x00c0) fd:45:6a:02:94:dc (oui Unknown) Unknown SSAP 0xe6 > f0:0c:9a:35:5f:2f (oui Unknown) Unknown DSAP 0x86 Information, send seq 77, rcv seq 32, Flags [Command], length 2065 17:24:43.490216 wep 9.0 Mb/s 2412 MHz (0x00c0) Data IV:827d22 Pad 24 KeyID 0 17:24:43.653172 18.0 Mb/s 2412 MHz (0x00c0) Probe Response () CH: 0, PRIVACY 17:24:43.726172 6.0 Mb/s 2412 MHz (0x00c0) CF Ack d6:2a:91:5e:f2:10 (oui Unknown) Unknown SSAP 0xd2 > ae:e8:17:b1:5f:07 (oui Unknown) Unknown DSAP 0xc8 Information, send seq 32, rcv seq 59, Flags [Command, Poll], length 3811 17:24:43.736028 wep 24.0 Mb/s 2412 MHz (0x00c0) unknown IEEE802.11 frame type (3)(header) unknown IEEE802.11 frame type (3)unknown 802.11 frame type (3) -- Jon Smirl [EMAIL PROTECTED] ------------------------------------------------------------------------- Using Tomcat but need to do more? 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