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Thread: [LL10.04] Trouble connecting to WPA/WPA2 network wirelessly (BCM 4315)

  1. #1
    Join Date
    Sep 2010
    Beans
    9

    [LL10.04] Trouble connecting to WPA/WPA2 network wirelessly (BCM 4315)

    I've recently installed Lucid Lynx 10.04 on my Dell Studio which uses an internal BCM4315 wi-fi card to connect to the internet. I was hoping it would work upon the install, but deep down I knew I'd have to tweak it a little bit to get it up and running the way I wanted.

    The card was instantly recognized but, at first, wasn't detecting wireless networks. This was quickly and painlessly fixed using System > Administration > Hardware Drivers, which I used to install Broadcom B43 wireless driver (b43-fwcutter). I rebooted and could not detect the local wireless networks.

    I entered my password to my home network (correctly, I quadruple checked) but, unfortunately, it continuously tries to connect to the network with no successful. Occasionally I'm prompted to re-entered the password and the process repeats. The network I'm trying to connect to is a WPA/WPA2 network which I've heard to be troublesome. I haven't yet tried connecting to a WEP network but I'm fairly certain it will work and I will get back to this post when I test it in a few hours.

    I'm curious if this question has been answered or if the problem has been solved and I just simply don't have the google skills to find it. Thanks for the help guys! Here's some outputs for consideration:

    iwconfig
    Code:
    lo        no wireless extensions.
    
    eth0      no wireless extensions.
    
    wlan0     IEEE 802.11bg  ESSID:"SMC-HAYS"  
              Mode:Managed  Frequency:2.437 GHz  Access Point: Not-Associated   
              Tx-Power=27 dBm   
              Retry  long limit:7   RTS thr:off   Fragment thr:off
              Power Management:off
    ifconfig
    Code:
    eth0      Link encap:Ethernet  HWaddr 00:22:19:f1:f8:ea  
              inet addr:192.168.1.13  Bcast:192.168.1.255  Mask:255.255.255.0
              inet6 addr: fe80::222:19ff:fef1:f8ea/64 Scope:Link
              UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
              RX packets:1406 errors:0 dropped:0 overruns:0 frame:0
              TX packets:902 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:1000 
              RX bytes:1670837 (1.6 MB)  TX bytes:131811 (131.8 KB)
              Interrupt:17 
    
    lo        Link encap:Local Loopback  
              inet addr:127.0.0.1  Mask:255.0.0.0
              inet6 addr: ::1/128 Scope:Host
              UP LOOPBACK RUNNING  MTU:16436  Metric:1
              RX packets:16 errors:0 dropped:0 overruns:0 frame:0
              TX packets:16 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:0 
              RX bytes:960 (960.0 B)  TX bytes:960 (960.0 B)
    
    wlan0     Link encap:Ethernet  HWaddr 00:22:5f:aa:58:e5  
              inet6 addr: fe80::222:5fff:feaa:58e5/64 Scope:Link
              UP BROADCAST MULTICAST  MTU:1500  Metric:1
              RX packets:35 errors:0 dropped:0 overruns:0 frame:0
              TX packets:47 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:1000 
              RX bytes:3955 (3.9 KB)  TX bytes:6601 (6.6 KB)
    lshw -C network
    Code:
      *-network               
           description: Network controller
           product: BCM4312 802.11b/g
           vendor: Broadcom Corporation
           physical id: 0
           bus info: pci@0000:04:00.0
           version: 01
           width: 64 bits
           clock: 33MHz
           capabilities: bus_master cap_list
           configuration: driver=b43-pci-bridge latency=0
           resources: irq:17 memory:f8000000-f8003fff
      *-network
           description: Ethernet interface
           product: NetLink BCM5784M Gigabit Ethernet PCIe
           vendor: Broadcom Corporation
           physical id: 0
           bus info: pci@0000:08:00.0
           logical name: eth0
           version: 10
           serial: 00:22:19:f1:f8:ea
           width: 64 bits
           clock: 33MHz
           capabilities: bus_master cap_list ethernet physical
           configuration: broadcast=yes driver=tg3 driverversion=3.102 firmware=sb v2.17 ip=192.168.1.13 latency=0 multicast=yes
           resources: irq:30 memory:fc500000-fc50ffff
      *-network
           description: Wireless interface
           physical id: 1
           logical name: wlan0
           serial: 00:22:5f:aa:58:e5
           capabilities: ethernet physical wireless
           configuration: broadcast=yes multicast=yes wireless=IEEE 802.11bg
    Last edited by fhgshfdg; November 11th, 2010 at 12:10 AM.

  2. #2
    Join Date
    Sep 2010
    Beans
    9

    Re: [LL10.04] Trouble connecting to WPA/WPA2 network wirelessly (BCM 4315)

    So I just took my computer for a car ride to the school library which provides an open network. Clearly the encryption is not the problem, yet; the wi-fi card is just having trouble actually connecting to a detected network.

    I've heard a common solution being to flip the card switch off then on before starting the computer, but the Dell Studio doesn't have a switch : /

  3. #3
    Join Date
    Dec 2008
    Beans
    1

    Re: [LL10.04] Trouble connecting to WPA/WPA2 network wirelessly (BCM 4315)

    I have been having the same issue on hp mini 1000 (BCM4315). I can be sitting within 10 feet of the wireless router and still am unable to connect. After attempting to reconnect multiple times, toggling the wireless switch off/on/off/on, and rebooting it eventually connects... running Ubuntu 10.04 Lucid Lynx (fully updated). Occasionally, it will connect without a hassle, but I've come to expect this struggle.

  4. #4
    Join Date
    Aug 2010
    Beans
    97

    Re: [LL10.04] Trouble connecting to WPA/WPA2 network wirelessly (BCM 4315)

    It's an issue with Broadcom cards. I hear the solution is to use wpa_supplicant and ndiswrapper, but I haven't gotten very far with that method.

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