View Full Version : [ubuntu] Intel wireless 4965 with 802.11n

December 27th, 2008, 10:09 PM

I am trying to configure my lenovo T61 with intel 4965 wireless running intrepid to a dlink DAP-1522 using 802.11n. I am using the dlink in an access point mode and configured it to only accept 802.11n connections in the 5GHz band. Using network manager, I was able to connect but the reported speed by iwconfig is only 54Mb/s. I have tried to force a higher bit rate with iwconfig without success. Everything appears to work, I have a good signal, the connection works, its just slower than anticipated. In comparison, using Vista I can achieve 90Mb/s. Anybody able to get iwconfig to report a higher bit rate than 54Mb/s? Any ideas on what could be the problem? Thanks for the help.

I am also using the backported kernel modules to avoid the kernel panic issue.


iwconfig output:

wlan0 IEEE 802.11abgn ESSID:"mynetwork"
Mode:Managed Frequency:5.18 GHz Access Point: 00:22:B0:60:A0:CB
Bit Rate=54 Mb/s Tx-Power=14 dBm
Retry min limit:7 RTS thr:off Fragment thr=2352 B
Power Management:off
Link Quality=55/100 Signal level:-69 dBm Noise level=-91 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0

December 29th, 2008, 09:07 PM
I have the same problem, under Vista 130Mb/s. File tranfer under Linux 2.5 MB/s under Vista 6/7 MB/s