No wlan0

Rich Emberson emberson.rich at gmail.com
Mon Sep 8 16:56:38 UTC 2008


Got a laptop with both an l Ethernet connection and a wireless connection.
During the install I only configured the Ethernet connection with a static
ip.
So that worked. I could connect to my internal lan and do yum updates.
Now I want to get the wireless working but find that in the
/etc/sysconfig/network-scripts directory there is only a
ifcfg-eth0 (and ifcfg-lo). There is nothing like wlan0 or ifcfg-eth1.
When is the configuration file for the wireless card suppose to be
created or how do I create it?

In the output of dmesg are the following lines:

iwl4965: Intel(R) Wireless WiFi Link 4965AGN driver for Linux, 1.3.27kds
iwl4965: Copyright(c) 2003-2008 Intel Corporation
PCI: Setting latency timer of device 0000:05:00.0 to 64
iwl4965: Detected Intel Wireless WiFi Link 5300AGN REV=0x24
iwl4965: Tunable channels: 13 802.11bg, 24 802.11a channels

The output of /sbin/iwconfig:
lo        no wireless extensions.

eth0      no wireless extensions.

wmaster0  no wireless extensions.

wlan0     IEEE 802.11abgn  ESSID:""
          Mode:Managed  Frequency:2.412 GHz  Access Point: Not-Associated
          Tx-Power=0 dBm
          Retry min limit:7   RTS thr:off   Fragment thr=2352 B
          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

pan0      no wireless extensions.


Part of the output of /sbin/ifconfig -a:
wlan0     Link encap:Ethernet  HWaddr 00:16:EA:5F:4D:FA
          BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)


Richard
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