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[ubuntu] Cannot connect to WEP network

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http://ubuntuforums.org – I cannot connect to the wireless network at work, athough I have no problems at home. I have connected to WEP networks before, and my wireless functions perfectly well (using Broadcom STA proprietry driver) in most situations. However, and to my eternal frustration I cannot connect to the network at work, although I can see it fine, seemingly handshake with it, but the connection process always seems to break down when requesting an ip address. The same hardware connects ok when I boot into windows, but for the obvious reasons, I'd prefer not to have to do that. I have little access to good IT support (it's a school, and not known for understanding of its infrastructure). The router seems to be a belkin model of some description. The ifconfig output is fairly boring, but it is posted below if you are interested. Any suggestions welcomed. lshw at pastebin.com/fdf2d464 output of ifconfig: Code: eth0      Link encap:Ethernet  HWaddr 00:1b:38:2e:f5:a9            inet addr:192.168.135.180  Bcast:192.168.135.255  Mask:255.255.255.0           inet6 addr: fe80::21b:38ff:fe2e:f5a9/64 Scope:Link           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1           RX packets:211718 errors:0 dropped:0 overruns:0 frame:0           TX packets:145173 errors:0 dropped:0 overruns:0 carrier:0           collisions:0 txqueuelen:1000           RX bytes:272357024 (272.3 MB)  TX bytes:15580101 (15.5 MB)           Interrupt:16 Base address:0x2000 eth1      Link encap:Ethernet  HWaddr 00:1a:73:66:fa:a5            inet6 addr: fe80::21a:73ff:fe66:faa5/64 Scope:Link           UP BROADCAST MULTICAST  MTU:1492  Metric:1           RX packets:251227 errors:0 dropped:0 overruns:0 frame:1767988           TX packets:170692 errors:546 dropped:0 overruns:0 carrier:0           collisions:0 txqueuelen:1000           RX bytes:311245276 (311.2 MB)  TX bytes:18241498 (18.2 MB)           Interrupt:18 eth1:avahi Link encap:Ethernet  HWaddr 00:1a:73:66:fa:a5            inet addr:169.254.9.84  Bcast:169.254.255.255  Mask:255.255.0.0           UP BROADCAST MULTICAST  MTU:1492  Metric:1           Interrupt:18 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:13795 errors:0 dropped:0 overruns:0 frame:0           TX packets:13795 errors:0 dropped:0 overruns:0 carrier:0           collisions:0 txqueuelen:0           RX bytes:1049420 (1.0 MB)  TX bytes:1049420 (1.0 MB) pan0      Link encap:Ethernet  HWaddr 5e:d0:17:d4:1f:a6            UP BROADCAST RUNNING MULTICAST  MTU:1000  Metric:1           RX packets:0 errors:0 dropped:0 overruns:0 frame:0           TX packets:223 errors:0 dropped:0 overruns:0 carrier:0           collisions:0 txqueuelen:0           RX bytes:0 (0.0 B)  TX bytes:46634 (46.6 KB) pan0:avahi Link encap:Ethernet  HWaddr 5e:d0:17:d4:1f:a6            inet addr:169.254.7.53  Bcast:169.254.255.255  Mask:255.255.0.0           UP BROADCAST RUNNING MULTICAST  MTU:1000  Metric:1 (Hardware)