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Thread: Wireless Edimax EW-7711ln Problem

  1. #1
    Join Date
    Dec 2006
    Beans
    4

    Unhappy Wireless Edimax EW-7711ln Problem

    Just installed Ubuntu 10.10 server and all working great except the wireless interface. The card is an edimax EW-7711ln.

    I installed ndiswrapper using the driver rt2860.zip found here http://ubuntuforums.org/showthread.p...-7711ln&page=4

    Then I followed this guide to configure /etc/network/interfaces http://ubuntuforums.org/showthread.php?t=318539

    I think the driver is loading fine but I can't connect to the access point. Here is some debugging output...
    Code:
    peter@Peter-Server~$: route
    Kernel IP routing table
    Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
    Code:
    peter@Peter-Server~$: iwconfig
    wlan0     IEEE 802.11g  ESSID:off/any  
              Mode:Managed  Frequency:2.412 GHz  Access Point: Not-Associated   
              Bit Rate:72 Mb/s   Tx-Power:20 dBm   Sensitivity=0/3  
              RTS thr:off   Fragment thr:off
              Power Management:off
              Link Quality:0  Signal level:0  Noise level:0
              Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
              Tx excessive retries:0  Invalid misc:0   Missed beacon:0
    Code:
    peter@Peter-Server~$: sudo iwlist scan
     Cell 02 - Address: 78:1D:BA:12:6F:5F
                        ESSID:"alleycat"
                        Protocol:IEEE 802.11g
                        Mode:Managed
                        Frequency:2.412 GHz (Channel 1)
                        Quality:81/100  Signal level:-44 dBm  Noise level:-96 dBm
                        Encryption key:on
                        Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 6 Mb/s; 9 Mb/s
                                  11 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s; 36 Mb/s
                                  48 Mb/s; 54 Mb/s
                        Extra:bcn_int=100
                        Extra:atim=0
                        IE: IEEE 802.11i/WPA2 Version 1
                            Group Cipher : CCMP
                            Pairwise Ciphers (1) : CCMP
                            Authentication Suites (1) : PSK
    Code:
    peter@Peter-Server~$: sudo lshw -C network
      *-network DISABLED
           description: Ethernet interface
           product: NetXtreme BCM5752 Gigabit Ethernet PCI Express
           vendor: Broadcom Corporation
           physical id: 0
           bus info: pci@0000:3f:00.0
           logical name: eth0
           version: 01
           serial: 00:15:60:52:07:38
           capacity: 1GB/s
           width: 64 bits
           clock: 33MHz
           capabilities: pm vpd msi pciexpress bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
           configuration: autonegotiation=on broadcast=yes driver=tg3 driverversion=3.110 duplex=half firmware=5752-v3.10 latency=0 link=yes multicast=yes port=twisted pair
           resources: irq:17 memory:e0400000-e040ffff
      *-network
           description: Wireless interface
           product: RaLink
           vendor: RaLink
           physical id: 9
           bus info: pci@0000:05:09.0
           logical name: wlan0
           version: 00
           serial: 00:1f:1f:a6:6b:ca
           width: 32 bits
           clock: 33MHz
           capabilities: pm bus_master cap_list ethernet physical wireless
           configuration: broadcast=yes driver=ndiswrapper+rt2860 driverversion=1.56+Ralink Technology, Corp.,07 latency=32 link=no maxlatency=4 mingnt=2 multicast=yes wireless=IEEE 802.11g
           resources: irq:18 memory:e0500000-e050ffff
    Code:
    peter@Peter-Server~$: cat /etc/network/interfaces
    # This file describes the network interfaces available on your system
    # and how to activate them. For more information, see interfaces(5).
    
    # The loopback network interface
    auto lo
    iface lo inet loopback
    
    auto wlan0
    iface wlan0 inet dhcp
    wpa-driver wext
    wpa-ssid alleycat
    wpa-ap-scan 1
    wpa-proto RSN
    wpa-pairwise CCMP
    wpa-group CCMP
    wpa-key-mgmt WPA-PSK
    wpa-psk xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
    So I can scan and see the accesspoint with ssid alleycat but I can't connect. I tried disabling all security to see if it was a problem with my key or some encryption settings but even that didn't work. So frustrating because it seems close to working I must be doing something silly.

    Oww and incase anyone is wondering why I am running a server off a wireless interface, its just a LAMP development server on my home network.

    Any help would be greatly appreciated.

  2. #2
    Join Date
    Dec 2006
    Beans
    4

    Re: Wireless Edimax EW-7711ln Problem

    Still no luck. Is there any other commands I should post output from?

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