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  1. #1

    linu-wlan post configuration problem


    I just installed linux-wlan0. No problem for kernel complie, install, wlan compile, install.

    I followed the instruction to do post configuration of my USB wireless adapter. But it does not work

    Only the last step I can not follow exactly, which is
    "ifconfig wlan0 <address> ... "
    Because it is dhcp, I do not have a IP address.

    here are the things I had,
    ================================================== =====
    $tail /var/log/messages -f
    Nov 4 04:33:35 localhost /etc/hotplug/usb.agent: ... no modules for USB product 67c/1022/132
    Nov 4 04:33:38 localhost /etc/hotplug/wlan.agent: WLAN wlan0 brought up successfully.
    Nov 4 04:33:38 localhost /etc/hotplug/wlan.agent: WLAN bringing up layer 3+ with /sbin/ifup
    Nov 4 04:33:38 localhost kernel: linkstatus=CONNECTED

    $ifconfig wlan0 up

    lo Link encap:Local Loopback
    inet addr: Mask:
    UP LOOPBACK RUNNING MTU:16436 Metric:1
    RX packets:4803 errors:0 dropped:0 overruns:0 frame:0
    TX packets:4803 errors:0 dropped:0 overruns:0 carrier:0
    collisions:0 txqueuelen:0
    RX bytes:328273 (320.5 Kb) TX bytes:328273 (320.5 Kb)

    wlan0 Link encap:Ethernet HWaddr 00:0xxxxxxx
    RX packets:428 errors:0 dropped:0 overruns:0 frame:0
    TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
    collisions:0 txqueuelen:100
    RX bytes:20707 (20.2 Kb) TX bytes:0 (0.0

    ================================================== =======================
    Anyone can tell me what the problem is ?


  2. #2
    Linux Guru lakerdonald's Avatar
    Join Date
    Jun 2004
    St. Petersburg, FL
    su -
    dhclient wlan0

  3. #3

    seems close, but still not on-line.
    This is what I got.

    [root@localhost root]# dhclient
    Internet Software Consortium DHCP Client V3.0pl1
    Copyright 1995-2001 Internet Software Consortium.
    All rights reserved.
    For info, please visit

    /sbin/dhclient-script: configuration for wlan0 not found.
    Listening on LPF/lo/
    Sending on LPF/lo/
    Listening on LPF/wlan0/00:02:dd:43:38:92
    Sending on LPF/wlan0/00:02:dd:43:38:92
    Sending on Socket/fallback
    DHCPDISCOVER on lo to port 67 interval 8
    DHCPDISCOVER on wlan0 to port 67 interval 7
    DHCPOFFER from
    DHCPREQUEST on wlan0 to port 67
    DHCPACK from
    /sbin/dhclient-script: configuration for wlan0 not found.
    DHCPDECLINE on wlan0 to port 67

    [root@localhost root]# iwconfig
    lo no wireless extensions.

    wlan0 IEEE 802.11-b ESSID:"xxxx" Nickname:"xxxx"
    Mode:Managed Frequency:2.412GHz Access Point: 00:11:5C:5C:2D:30
    Bit Rate:11Mb/s Tx-Power:2346 dBm
    Retry min limit:8 RTS thr:off Fragment thr:off
    Encryption key:off
    Link Quality:42/92 Signal level:-75 dBm Noise level:-100 dBm
    Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
    Tx excessive retries:0 Invalid misc:0 Missed beacon:0




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