WLAN Problem

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Debian Squeeze: ich habe den Rechner zu hause aufgesetzt, konnte mich dort per NetworkManager stressfrei ins WLAN verbinden. Der Rechner ging dann in ein Büro, dort kann ich mich allerdings nicht ins WLAN verbinden. dmesg sagt mir dazu:

Code: Alles auswählen

[  115.336018] wlan0: no IPv6 routers present
[  117.320049] No probe response from AP 12:34:ab:cd:56:78 after 500ms, disconnecting.
[  118.264066] wlan0: direct probe to AP 12:34:ab:cd:56:78 (try 1)
[  118.267511] wlan0: direct probe responded
[  118.267517] wlan0: authenticate with AP 12:34:ab:cd:56:78 (try 1)
[  118.295260] wlan0: authenticated
[  118.295303] wlan0: associate with AP 12:34:ab:cd:56:78 (try 1)
[  118.492055] wlan0: associate with AP 12:34:ab:cd:56:78 (try 2)
[  118.692049] wlan0: associate with AP 12:34:ab:cd:56:78 (try 3)
[  118.892033] wlan0: association with AP 12:34:ab:cd:56:78 timed out
[  142.337377] wlan0: direct probe to AP 12:34:ab:cd:56:78 (try 1)
[  142.536034] wlan0: direct probe to AP 12:34:ab:cd:56:78 (try 2)
[  142.736043] wlan0: direct probe to AP 12:34:ab:cd:56:78 (try 3)
[  142.765170] wlan0: direct probe responded
[  142.765175] wlan0: authenticate with AP 12:34:ab:cd:56:78 (try 1)
[  142.964033] wlan0: authenticate with AP 12:34:ab:cd:56:78 (try 2)
[  143.164054] wlan0: authenticate with AP 12:34:ab:cd:56:78 (try 3)
[  143.364054] wlan0: authentication with AP 12:34:ab:cd:56:78 timed out
[  164.856067] wlan0: direct probe to AP 12:34:ab:cd:56:78 (try 1)
[  164.876549] wlan0: direct probe responded
[  164.876560] wlan0: authenticate with AP 12:34:ab:cd:56:78 (try 1)
[  164.882063] wlan0: authenticated
[  164.882098] wlan0: associate with AP 12:34:ab:cd:56:78 (try 1)
[  165.080051] wlan0: associate with AP 12:34:ab:cd:56:78 (try 2)
[  165.280039] wlan0: associate with AP 12:34:ab:cd:56:78 (try 3)
[  165.480072] wlan0: association with AP 12:34:ab:cd:56:78 timed out
[ 1509.141922] usb 1-2: USB disconnect, address 4
[ 3836.240068] wlan0: direct probe to AP 12:34:ab:cd:56:78 (try 1)
[ 3836.440051] wlan0: direct probe to AP 12:34:ab:cd:56:78 (try 2)
[ 3836.640070] wlan0: direct probe to AP 12:34:ab:cd:56:78 (try 3)
[ 3836.840031] wlan0: direct probe to AP 12:34:ab:cd:56:78 timed out
[ 3847.088066] wlan0: direct probe to AP 12:34:ab:cd:56:78 (try 1)
[ 3847.288036] wlan0: direct probe to AP 12:34:ab:cd:56:78 (try 2)
[ 3847.488056] wlan0: direct probe to AP 12:34:ab:cd:56:78 (try 3)
[ 3847.688037] wlan0: direct probe to AP 12:34:ab:cd:56:78 timed out

Jmd eine Idee dazu?
Folgende Karte ist installiert:

Code: Alles auswählen

# lspci | grep Network
03:03.0 Network controller: RaLink RT2561/RT61 rev B 802.11g

[tobiasd]

evtl. MAC-Filter am AP aktiviert?

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Was ist ein AP?

[tobiasd]

Accesspoint, WLAN-Router oder was auch immer dort im Büro steht ^^