Взех си една карта DWA-547 на D-Link и си я сложех на сървърчето в къщи. Под n стандарт трансвера е много нестабилен и ходи от 8MB/s до 500KB. Проблемът е че връзката прекъсва. и трябва да дисконектна и после пак да конектна лаптопа за да се възстанови. Реших че е от нестабилности и неуредици при работа в n режим. Сложех да работи в g стандарт , при което трансвера стана равномерен (но само около 1.6MB/s) само че продължава да прекасва по същия начин след половин - един час и трябва да дисконектвам лаптопа лаптопа от access point-а и да го конектвам пак. Има bridge между лан-а и wireless-a. Сега малко информация:
#iw list
Wiphy phy0
Band 1:
Capabilities: 0x11ce
HT20/HT40
SM Power Save disabled
RX HT40 SGI
TX STBC
RX STBC 1-stream
Max AMSDU length: 7935 bytes
DSSS/CCK HT40
Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
Minimum RX AMPDU time spacing: 8 usec (0x06)
HT TX/RX MCS rate indexes supported: 0-15
Frequencies:
* 2412 MHz [1] (20.0 dBm)
* 2417 MHz [2] (20.0 dBm)
* 2422 MHz [3] (20.0 dBm)
* 2427 MHz [4] (20.0 dBm)
* 2432 MHz [5] (20.0 dBm)
* 2437 MHz [6] (20.0 dBm)
* 2442 MHz [7] (20.0 dBm)
* 2447 MHz [8] (20.0 dBm)
* 2452 MHz [9] (20.0 dBm)
* 2457 MHz [10] (20.0 dBm)
* 2462 MHz [11] (20.0 dBm)
* 2467 MHz [12] (disabled)
* 2472 MHz [13] (disabled)
* 2484 MHz [14] (disabled)
Bitrates (non-HT):
* 1.0 Mbps
* 2.0 Mbps (short preamble supported)
* 5.5 Mbps (short preamble supported)
* 11.0 Mbps (short preamble supported)
* 6.0 Mbps
* 9.0 Mbps
* 12.0 Mbps
* 18.0 Mbps
* 24.0 Mbps
* 36.0 Mbps
* 48.0 Mbps
* 54.0 Mbps
max # scan SSIDs: 4
Supported interface modes:
* IBSS
* managed
* AP
* AP/VLAN
* monitor
* mesh point
Supported commands:
* new_interface
* set_interface
* new_key
* new_beacon
* new_station
* new_mpath
* set_mesh_params
* set_bss
* authenticate
* associate
* deauthenticate
* disassociate
* join_ibss
* Unknown command (55)
* Unknown command (57)
* Unknown command (59)
* set_wiphy_netns
* Unknown command (65)
* connect
* disconnect
Hostapd.conf:
cat /etc/hostapd/hostapd.conf
driver=nl80211
######################### basic hostapd configuration ##########################
#
interface=wlan0
bridge=br0
channel=6
hw_mode=g
#ieee80211n=1
wmm_enabled=1
logger_syslog=-1
logger_syslog_level=4
logger_stdout=-1
logger_stdout_level=4
dump_file=/tmp/hostapd.dump
auth_algs=1
ctrl_interface=/var/run/hostapd
ctrl_interface_group=0
ssid=IPFire
ignore_broadcast_ssid=0
######################### wpa hostapd configuration ############################
#
wpa=2
wpa_passphrase=**********
wpa_key_mgmt=WPA-PSK
wpa_pairwise=CCMP TKIP
#ht_capab=[HT40-][SHORT-GI-40][DSSS_CCK-40]
#ht_capab=[HT40+]
#hostapd -v
hostapd v0.7.2
User space daemon for IEEE 802.11 AP management,
IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator
Copyright (c) 2002-2010, Jouni Malinen <
j@w1.fi> and contributors
n# uname -a
Linux new 2.6.35.1 #1 SMP Thu Aug 12 17:49:52 EEST 2010 i686 GNU/Linux
lspci -v
02:09.0 Network controller: Atheros Communications Inc. AR922X Wireless Network Adapter (rev 01)
Subsystem: D-Link System Inc Device 3a78
Flags: bus master, 66MHz, medium devsel, latency 168, IRQ 17
Memory at ff5f0000 (32-bit, non-prefetchable) [size=64K]
Capabilities: [44] Power Management version 2
Kernel driver in use: ath9k
# iw wlan0 station dump
Station c4:17:fe:5b:25:88 (on wlan0)
inactive time: 10192 ms
rx bytes: 550117
rx packets: 13089
tx bytes: 243015
tx packets: 1949
signal: -46 dBm
tx bitrate: 54.0 MBit/s
Някакви идеи каде бъркам и защо дропи wireless-a. Иначе по логовете няма нищо.