Ubuntu
gnome-nettool package

wireless network busts wlan router

Asked by Fabian Pache

Greetings,

the setup I am using is a Netgear Wlan router and DELL XPS M1330 internal wlan adapter. After being connected to the net on said setup my router stops working. More accurately put: the WEP dialog pops up again and the key is no longer being accepted. At the same time every other device loses connection to the router as well [2nd machine on XP, PS3, PSP, phone, etc] and ask for a new WEP key. The only way to remedy the problem is to unplug the router from power and power it back up again.
It is not a generic problem of the laptop hardware nuking the router, because Vista 64 works flawless on the same device (multiboot).
The problem usually does not occur while I am actually using the connection, surfing, downloading, working etc. but after idling for some time, the connection breaks down without any visible cause.

Any help taming my wireless connection is hugely appreciated, thanks

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Fabian Pache (fabian-pache) said : 		#1

addendum: this has been a problem with ubuntu ever since I got the laptop 3 years ago

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actionparsnip (andrew-woodhead666) said : 		#2

Can you give the output of:

sudo lshw -C network; lsb_release -a

Thanks

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Fabian Pache (fabian-pache) said : 		#3

sudo lshw -C network;

  *-network
       description: Wireless interface
       product: PRO/Wireless 3945ABG [Golan] Network Connection
       vendor: Intel Corporation
       physical id: 0
       bus info: pci@0000:0c:00.0
       logical name: wlan0
       version: 02
       serial: 00:1f:3c:75:4e:02
       width: 32 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration: broadcast=yes driver=iwl3945 ip=192.168.0.7 latency=0 multicast=yes wireless=IEEE 802.11abg
       resources: irq:30 memory:fe8ff000-fe8fffff
  *-network
       description: Ethernet interface
       product: NetLink BCM5906M Fast Ethernet PCI Express
       vendor: Broadcom Corporation
       physical id: 0
       bus info: pci@0000:09:00.0
       logical name: eth0
       version: 02
       serial: 00:1d:09:45:26:94
       capacity: 100MB/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm vpd msi pciexpress bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=tg3 driverversion=3.102 firmware=sb v3.04 latency=0 link=no multicast=yes port=twisted pair
       resources: irq:31 memory:fe5f0000-fe5fffff

lsb_release -a:
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 10.04.1 LTS
Release: 10.04
Codename: lucid

Thanks for the prompt reaction. Wired connection does not affect the network and is always disconnected while wlan is active

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actionparsnip (andrew-woodhead666) said : 		#4

You may want to see if there is a new firmware for your router (update using a WIRED connection). You may also want to see if there is a method to getting a newer iwl3945 driver.

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