Thread: [Madwifi-users] iwconfig, iwpriv, and wlanconfig devices reports wrong rate,
Status: Beta
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From: Pawel C. <pci...@pr...> - 2009-02-10 12:49:26
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Hello, I am new to madwifi, I would like to welcome all madwifi users. I managed to join mailing list, vecouse I fond found a unusal problem / bug. Iwconfig and wlanconfig shows wrong rate. I want to ask here first before I raise a new ticket. My system is OpenWRT, based on revision few pathes before current truck. Madwifi version is 3306 ( pretty sure) ################################ AP2 (station) root@ap2:~# iwconfig ath2 ath2 IEEE 802.11a ESSID:"ap1-3" Nickname:"" Mode:Managed Frequency:5.2 GHz Access Point: 00:0B:6B:82:D6:2A Bit Rate:36 Mb/s Tx-Power=5 dBm Sensitivity=1/1 Retry:off RTS thr:off Fragment thr:off Encryption key:off Power Management:off Link Quality=27/70 Signal level=-68 dBm Noise level=-95 dBm Rx invalid nwid:2028 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0 root@ap2:~# iwpriv ath2 get_rate11a ath2 get_rate11a:48 root@ap2:~# wlanconfig ath2 list ADDR AID CHAN RATE RSSI DBM IDLE TXSEQ TXFRAG RXSEQ RXFRAG CAPS ACAPS ERP STATE MODE 00:0b:6b:82:d6:2a 1 40 36M 26 -69 0 441 5 671 0 Es 0 43 Normal WME ############################### AP1 (AP) root@ap1:~# iwconfig ath3 ath3 IEEE 802.11a ESSID:"ap1-3" Nickname:"" Mode:Master Frequency:5.2 GHz Access Point: 00:0B:6B:82:D6:2A Bit Rate:0 kb/s Tx-Power=5 dBm Sensitivity=1/1 Retry:off RTS thr:off Fragment thr:off Encryption key:off Power Management:off Link Quality=34/70 Signal level=-62 dBm Noise level=-96 dBm Rx invalid nwid:2185 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0 root@ap1:~# iwpriv ath3 get_rate11a ath3 get_rate11a:48 root@ap1:~# wlanconfig ath3 list ADDR AID CHAN RATE RSSI DBM IDLE TXSEQ TXFRAG RXSEQ RXFRAG CAPS ACAPS ERP STATE MODE 00:0b:6b:82:d8:32 1 40 36M 28 -67 0 87 10 2786 0 Es 0 3 Normal WME ########################### TCP DUMP log from aditional device 10.66.1.11 - AP1 10.66.1.12 - AP2 take a look at rate its 54.0 Mb/s ############################################################## 03:41:55.586939 13318820659us tsft short preamble 54.0 Mb/s 5200 MHz (0x0140) -61dB signal -95dB noise antenna 1 34dB signal CF +QoS IP 10.66.1.12 > 10.66.1.2: ICMP echo reply, id 34309, seq 58652, length 64 03:41:55.587005 13318820717us tsft short preamble 6.0 Mb/s 5200 MHz (0x0140) -51dB signal -95dB noise antenna 1 44dB signal Acknowledgment RA:00:0b:6b:82:d8:32 03:41:55.998941 13319232643us tsft short preamble 54.0 Mb/s 5200 MHz (0x0140) -62dB signal -95dB noise antenna 1 33dB signal CF +QoS IP 10.66.1.12.5000 > 10.66.1.2.5000: UDP, length 355 03:41:55.999008 13319232701us tsft short preamble 6.0 Mb/s 5200 MHz (0x0140) -51dB signal -95dB noise antenna 1 44dB signal Acknowledgment RA:00:0b:6b:82:d8:32 03:41:56.004363 13319238069us tsft short preamble 54.0 Mb/s 5200 MHz (0x0140) -61dB signal -95dB noise antenna 1 34dB signal CF +QoS IP 10.66.1.12.5000 > 10.66.1.2.5000: UDP, length 267 03:41:56.004430 13319238127us tsft short preamble 6.0 Mb/s 5200 MHz (0x0140) -51dB signal -95dB noise antenna 1 44dB signal Acknowledgment RA:00:0b:6b:82:d8:32 03:41:56.009699 13319243411us tsft short preamble 54.0 Mb/s 5200 MHz (0x0140) -60dB signal -95dB noise antenna 1 35dB signal CF +QoS IP 10.66.1.12.5000 > 10.66.1.2.5000: UDP, length 267 03:41:56.009767 13319243469us tsft short preamble 6.0 Mb/s 5200 MHz (0x0140) -50dB signal -95dB noise antenna 1 45dB signal Acknowledgment RA:00:0b:6b:82:d8:32 03:41:56.015549 13319249261us tsft short preamble 54.0 Mb/s 5200 MHz (0x0140) -62dB signal -95dB noise antenna 1 33dB signal CF +QoS IP 10.66.1.12.5000 > 10.66.1.2.5000: UDP, length 75 03:41:56.015616 13319249320us tsft short preamble 6.0 Mb/s 5200 MHz (0x0140) -51dB signal -95dB noise antenna 1 44dB signal Acknowledgment RA:00:0b:6b:82:d8:32 03:41:56.040447 13319274165us tsft short preamble 54.0 Mb/s 5200 MHz (0x0140) -63dB signal -95dB noise antenna 1 32dB signal CF +QoS IP 10.66.1.12.32768 > 10.66.1.1.1194: UDP, length 21 03:41:56.040514 13319274224us tsft short preamble 6.0 Mb/s 5200 MHz (0x0140) -51dB signal -95dB noise antenna 1 44dB signal Acknowledgment RA:00:0b:6b:82:d8:32 03:41:56.340374 13319574091us tsft short preamble 54.0 Mb/s 5200 MHz (0x0140) -61dB signal -95dB noise antenna 1 34dB signal CF +QoS IP 10.66.1.12 > 10.66.1.11: ICMP echo request, id 45340, seq 249, length 64 03:41:56.340442 13319574149us tsft short preamble 6.0 Mb/s 5200 MHz (0x0140) -51dB signal -95dB noise antenna 1 44dB signal Acknowledgment RA:00:0b:6b:82:d8:32 03:41:56.341331 13319574969us tsft short preamble 54.0 Mb/s 5200 MHz (0x0140) -51dB signal -95dB noise antenna 1 44dB signal CF +QoS IP 10.66.1.11 > 10.66.1.12: ICMP echo reply, id 45340, seq 249, length 64 03:41:56.341386 13319575027us tsft short preamble 6.0 Mb/s 5200 MHz (0x0140) -61dB signal -95dB noise antenna 1 34dB signal Acknowledgment RA:00:0b:6b:82:d6:2a 03:41:56.590425 13319823924us tsft short preamble 54.0 Mb/s 5200 MHz (0x0140) -51dB signal -95dB noise antenna 1 44dB signal CF +QoS IP 10.66.1.2 > 10.66.1.12: ICMP echo request, id 34309, seq 58653, length 64 03:41:56.590480 13319823982us tsft short preamble 6.0 Mb/s 5200 MHz (0x0140) -62dB signal -95dB noise antenna 1 33dB signal Acknowledgment RA:00:0b:6b:82:d6:2a 03:41:56.590901 13319824624us tsft short preamble 54.0 Mb/s 5200 MHz (0x0140) -61dB signal -95dB noise antenna 1 34dB signal CF +QoS IP 10.66.1.12 > 10.66.1.2: ICMP echo reply, id 34309, seq 58653, length 64 03:41:56.590966 13319824682us tsft short preamble 6.0 Mb/s 5200 MHz (0x0140) -51dB signal -95dB noise antenna 1 44dB signal Acknowledgment RA:00:0b:6b:82:d8:32 03:41:57.350416 13320584129us tsft short preamble 54.0 Mb/s 5200 MHz (0x0140) -61dB signal -95dB noise antenna 1 34dB signal CF +QoS IP 10.66.1.12 > 10.66.1.11: ICMP echo request, id 45340, seq 250, length 64 Thanks for help Pawel Cieplinski |
From: Pavel R. <pr...@gn...> - 2009-02-24 00:56:13
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Hello! On Tue, 2009-02-10 at 07:18 -0500, Pawel Cieplinski wrote: > Hello, I am new to madwifi, I would like to welcome all madwifi users. > I managed to join mailing list, vecouse I fond found a unusal > problem / bug. > > > > Iwconfig and wlanconfig shows wrong rate. The rate only makes sense for the station. An AP can communicate with several stations at different rates. Perhaps it would be better to return an error instead of reporting 0. However, I'm not inclined to change it, as it may break some scripts. I don't see wlanconfig reporting anything wrong. The rates can be different in different directions. They can also fluctuate rapidly. -- Regards, Pavel Roskin |