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    Linux Forums > GNU Linux Zone > Wireless Internet > Wireless gets messed up when wired connection is gotten rid of

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 Wireless Internet   Anything related to getting wireless set up in Linux. WLAN, WiFi, etc.

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Old 04-04-2007   #1 (permalink)
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Wireless gets messed up when wired connection is gotten rid of
This is a rather odd problem that makes me feel rather stupid.

I installed ubuntu 6.10 with my new Netgear WG311T wireless PCI adapter. I plugged in my ethernet cord to look up how to configure it and get Internet during the install. To my surprise, ubuntu recognized the wireless card and had it configured. Everything seemed to be fine so I made sure it was configured properly and unplugged my ethernet cord. Immidiently, the lights on my card begin to blink differently than they had been and I had no internet.

Anyone know what I did wrong.
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Old 04-04-2007   #2 (permalink)
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After you unplug the Ethernet card, you have to get an IP for the wireless card. restart dhcpd, or whatever it is that Debian Etch uses.
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Old 04-04-2007   #3 (permalink)
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I believe ubuntu uses /sbin/dhclient for such purposes.
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Old 04-05-2007   #4 (permalink)
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When I type in the command you gave me, it goes through a bunch of things then says it couldn't work. I think the problem is the DHCP thing.
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Old 04-05-2007   #5 (permalink)
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Quote:
Originally Posted by rustysail
When I type in the command you gave me, it goes through a bunch of things then says it couldn't work. I think the problem is the DHCP thing.
Can you post the exact error msg, is your card configured correctly?
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Old 04-05-2007   #6 (permalink)
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Post the output of

iwconfig
lspci
ifconfig
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Old 04-06-2007   #7 (permalink)
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iwconfig
Code:
ath0      IEEE 802.11g  ESSID:"2WIRE971"  
          Mode:Managed  Frequency:2.437 GHz  Access Point: Not-Associated   
          Bit Rate:1 Mb/s   Tx-Power:18 dBm   Sensitivity=0/3  
          Retry:off   RTS thr:off   Fragment thr:off
          Encryption key:8305-4771-54   Security mode:restricted
          Power Management:off
          Link Quality=33/94  Signal level=-62 dBm  Noise level=-95 dBm
          Rx invalid nwid:1094  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0
lspci
Code:
00:00.0 Host bridge: Intel Corporation 82865G/PE/P DRAM Controller/Host-Hub Interface (rev 02)
00:02.0 VGA compatible controller: Intel Corporation 82865G Integrated Graphics Controller (rev 02)
00:1d.0 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI Controller #1 (rev 02)
00:1d.1 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI Controller #2 (rev 02)
00:1d.3 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI Controller #4 (rev 02)
00:1d.7 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB2 EHCI Controller (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev c2)
00:1f.0 ISA bridge: Intel Corporation 82801EB/ER (ICH5/ICH5R) LPC Interface Bridge (rev 02)
00:1f.1 IDE interface: Intel Corporation 82801EB/ER (ICH5/ICH5R) IDE Controller (rev 02)
00:1f.3 SMBus: Intel Corporation 82801EB/ER (ICH5/ICH5R) SMBus Controller (rev 02)
00:1f.5 Multimedia audio controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) AC'97 Audio Controller (rev 02)
01:00.0 Ethernet controller: Atheros Communications, Inc. AR5212 802.11abg NIC (rev 01)
01:01.0 Communication controller: Conexant HSF 56k Data/Fax Modem
01:08.0 Ethernet controller: Intel Corporation 82562EZ 10/100 Ethernet Controller (rev 02)
ifconfig
Code:
ath0      Link encap:Ethernet  HWaddr 00:18:4D:6E:33:28  
          UP BROADCAST RUNNING 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:0 
          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)

eth0      Link encap:Ethernet  HWaddr 00:13:20:9D:46:F4  
          UP 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)

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:32 errors:0 dropped:0 overruns:0 frame:0
          TX packets:32 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:2368 (2.3 KiB)  TX bytes:2368 (2.3 KiB)

wifi0     Link encap:UNSPEC  HWaddr 00-18-4D-6E-33-28-00-00-00-00-00-00-00-00-00-00  
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:4468 errors:0 dropped:0 overruns:0 frame:15630
          TX packets:1096 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:199 
          RX bytes:350072 (341.8 KiB)  TX bytes:54184 (52.9 KiB)
          Interrupt:217 Memory:e0b00000-e0b10000
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Old 04-06-2007   #8 (permalink)
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Are you using dhclient on ath0 or eth0? Do you need authentication to use the netowork?
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Old 04-06-2007   #9 (permalink)
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I'm using it on ath0 and the authentication is just a WEP code that I have entered into the network settings.
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Old 04-06-2007   #10 (permalink)
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Are you sure you are using DHCP? Does iwlist ath0 scan shows anything?
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