Ubuntu Networking :: 10.04 Wireless Connection - Connect To The Access Point

Apr 26, 2011

10.04 in a couple of identical lenovo laptops (of friends) suddenly have stopped connecting successfully to wireless, coinciding approximately with a mains power socket fail at the modem router, now fixed. presumably the machines were trying to connect to the access point, which may or may not have been working, but themodem router was not. Now, internet connection and wireless access point is fixed ok and is back up, and i can connect wirelessly to the access point ok using an eeepc with 10.04.2 with no problem so the access point is working ok

the target laptop/s are still ok via wired ethernet, and can *also* connect to a neighbours open wireless (a british telecom so called fon network, it asks for an account password), and all local wireless networks can be seen normally, and the home access point ssid can also be seen ok. so the aptop wireless is connecting ok, but not to this particular access point now. maybe someting has got screwed up? it is wpa2 and when clicked, after a long-ish time, the authentication is requested, then given, correctly, and still not connecting, asks for authentication again etc etc. no local secure wallet is being used.

when upgrading these laptops for my friend some time ago from 9.04 i have a small recall that 10.04 had a odd thing with wireless authentication (?) bug? i have deleted the network connections gui listing for this ssid and restarted the laptop, still no joy.

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Slackware :: Wireless WPA Can't Connect / "Connection Failed: Could Not Contact The Wireless Access Point"?

Feb 26, 2010

I'm able to configure my Wireless network to connect with an AP with WEP key but...

Now I'm at home, I've a WPA2 key (my router now is supporting both, WPA and WPA2). I used WICD to connect but no success at all! It just stops with "Connection failed: Could not contact the wireless access point"

if I type IWLIST key:

Code:
ra0 2 key sizes: 40, 104bits
4 keys available
[1]: off
[2]: off
[3]: off
[4]: off
code....

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Mar 25, 2010

i've finish install driver for my wireless adapter and the result like this:

Code:
rapc0d@rapc0d-laptop:~$ iwconfig
lo no wireless extensions.
eth0 no wireless extensions.

[Code].....

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Apr 15, 2010

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Nov 30, 2010

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So my network is now open, I see it in the NetworkManager list, and as i try to connect, the following happens:The wireless symbol start flashing. From here it keeps flashing, untill it gives up.I use RT2870 drivers, and D-Link DWA-140 USB wireless adapter.

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May 15, 2011

I have an Intel PRO 2200BG wireless card and can connect to my router when logging in via gdm (using Xubuntu.) No problems there, connection never drops, very reliable!

But I've since had the need to shutdown X and keep a simple terminal instance open but as soon as I stop gdm the connection to the router drops. Trying to connect via the terminal using wpa_supplicant has so far been unsuccessful.

I know for a fact I'm doing something wrong, just don't know what and would appreciate some help!

Some dumps:

Code:

Code:

Code:

Code:

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Aug 19, 2010

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Jun 26, 2011

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Jul 27, 2011

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Jul 17, 2010

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Aug 19, 2011

I have a complicated situation due to my goals and network structure. I have in mind a potential solution, a bridge, but I do not know whether it is feasible or what hardware it will require.

The network:

My apartment community provides residents with free Internet access through an ancient T1 line. We do not have the option of other Internet providers, so having a router and modem in the home are not an option. The T1 line is split among some 24 switches, one for each building, and each switch has one port per floor. At each floor, there is a D-link WAP, and each has a separate SSID and WEP key. Additionally, they control access at the switch level using Access Control.

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Code:
03:00.0 Network controller: Intel Corporation Wireless WiFi Link 5100
Subsystem: Intel Corporation Device 1201

[code]....

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Jan 13, 2010

I have a Sonicwall access point, which I am able to set up through the interface, but after that I am unable to achieve a connection through my wireless card. I have a good understanding of everything involved, but really have no hands on experience when it comes to networking.

Code:

lspci
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[code]....

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Nov 7, 2010

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Feb 12, 2011

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Apr 14, 2010

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Sep 8, 2010

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Sep 23, 2010

1. HP Mini 110-3000

2. 02:00.0 Network controller: RaLink RT3090 Wireless 802.11n 1T/1R PCIe

3. wlan0

4. cant find...

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7. wlan0

8. Description:Ubuntu 10.04.1 LTS

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Apr 2, 2011

I'm trying to setup my ubuntu server as an access point but am running into some issues.

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I then used this link to set it upas an access point using hostapd. [URL]

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Although iwconfig shows that the card is in master mode.

iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
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ath0 IEEE 802.11g ESSID:"Linuxmaster"

[Code].....

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Dec 11, 2009

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Aug 8, 2010

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Code:

Chain INPUT (policy DROP 0 packets, 0 bytes)
pkts bytes target prot opt in out source destination
77 31312 ACCEPT all -- lo * 0.0.0.0/0 0.0.0.0/0
0 0 DROP all -- * * 0.0.0.0/0 0.0.0.0/0 state INVALID

[code]....

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Mar 3, 2010

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Mar 3, 2011

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