Hi All, Just in case anybody ever stumbles into the same issues.
I had huge performance issues with my work notebook Lenovo T430s running Windows 8 and an Intel Centrino Advanced-N 6205 wireless network adapter, connected to my Gentoo machine that has a TP Link TL-WN781ND network adapter. With performance issues I mean: the task manager showed only 802.11g instead of n - and even this was not working fine as I had connection drops, low reaction when connected via SSH to the machine, etc. When using, for example, www.speedtest.net the test could not start due to a failing ping and iperf showed about 100Kbit/s... My setup is: 02:00.0 Network controller: Qualcomm Atheros AR9485 Wireless Network Adapter (rev 01) with hostapd Sheldor thomas # cat /etc/hostapd/hostapd.conf interface=wlp2s0 driver=nl80211 ssid=****** bridge=br0 hw_mode=g ieee80211n=1 macaddr_acl=0 auth_algs=1 ignore_broadcast_ssid=0 wpa=2 wpa_passphrase=*********** wpa_key_mgmt=WPA-PSK wpa_pairwise=TKIP rsn_pairwise=CCMP country_code=AT logger_syslog=-1 logger_syslog_level=2 logger_stdout=-1 logger_stdout_level=2 channel=6 ht_capab=[HT40-][SHORT-GI-40][RX-STBC1][DSSS_CCK-40][SHORT-GI-20] wmm_enabled=1 Two iPhones with iOS 7.1.1 and an iPad running iOS 6.1.3 did not have any issues, the connection was really fast, although I could not verify if 802.11n is used - there is only an expensive iperf app (given that for PCs it's free to download...) and I could not find a way to display the connection type... speedtest.net showed 25MBit which is the maximum my provider would provide for what I pay :) I was trying to resolve the issue by trying out various ht_capab settings, wmm_enabled, wmi_enabled etc... nothing helped. What did help in the end is... updating the Windows driver through the device manager! Windows now displays 802.11n and iperf gives me 37.3 Mbits/sec, which is probably acceptable given the fact that I live in a quite densely populated area and the PCI adapter in the server has only 2.4Ghz support. So, if anyone experiences similar issues with Intel Centrino Advanced-N 6205 on Windows 8, try to update the driver first. Thomas
