 www.centos.org Forum Index CentOS 5 - Networking Support  Wireless connectivity Issue
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Wireless connectivity Issue | #1 |
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Regular Board Member
 
Joined: 2007/12/24
From Dallas (Allen), Texas
Posts: 51
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Hi,
I am running Centos 5.4 on a HP laptop. I recienty upgraded my internet connection with ATT&T and they require that I use the new modem/router that came with the upgrade. Any wireless connnection issues I've had it the past, I've been able to work through - with help from the forum! THANKS!! New modem/router - new connectivity issue! I recognize the wireless network which ATT&T has setup - we'll call 2WIRE000 The 10 diget network key isn't working! So, I set my wife's window's machine (also a HP laptop) next to mine, just to compare settings - the window's machine has no wireless network issues at all! The windows machine uses the Network Authentication WPA2-PSK The Linux machine is promping for WPA or WPA2. Is this the issue? Also, the windows machine is ussing data encyption AES. The Linux machine makes no mention of any encryption of the data. Is this also an issue? Many THANKS! in advance, John Wilwert |
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Posted on: 2012/2/4 17:41
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jwilwert
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Re: Wireless connectivity Issue | #2 |
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Moderator
Joined: 2006/12/13
From Tidewater, Virginia, North America
Posts: 18773
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First, you should immediately update to the current release 5.7. 5.4 is seriously obsolete and has numerous known bugs and security issues that have been fixed in subsequent updates. Obsolete releases are not supported, nor is it advisable to be running them.
See the CentOS 5.6 Release Notes Section 4 for details on the recommended update procedure for such an old release, and CentOS 5.7 Release Notes for other information. You should use WPA2 Personal if that's what the router is set up for. You also don't say how you are trying to configure the network. With a laptop NetworkManager is generally preferred. If more help is needed after updating to a supported release, then please provide more information about your system by running "./getinfo.sh" and showing us the output file |
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_________________
Phil Recommended reading: FAQ & Readme first ; Search hint: google "your topic site:centos.org"; Smart Questions |
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Posted on: 2012/2/4 21:49
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Re: Wireless connectivity Issue | #3 |
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Regular Board Member
Joined: 2007/12/24
From Dallas (Allen), Texas
Posts: 51
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Phil,
Thanks for your response and encouragement to get this issue resolved. First, Ii upgraded my system to release 5.7, as you had suggested. My issues, as I have descriped persist, so ran the ./getinfo.sh script and these are the results: [~]$ cat /tmp/basedata.ra4052 Information for network problems. So, Phil, I am hoping that from the above info you can help me log on to my new ATT&T account. I have successfuly used the NetworkManager in the past and hopefully it will be useful agin. If any additional info in needed, please let me know. Thanks, John Wilwert |
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Posted on: 2012/2/8 2:24
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Re: Wireless connectivity Issue | #4 |
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Moderator
Joined: 2007/10/22
From ~/Earth/UK/England/Suffolk
Posts: 9138
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I'm assuming that your new modem/router/wap, with which you have been provided, is a 2Wire 2700HG-B.
The first thing to do is to confirm that it is configured correctly. Use a wired connection and via your web-browser, go to this page -- http://192.168.1.254/xslt?PAGE=C05&THISPAGE=A02_POST&NEXTPAGE=C05 Carefully check the settings. If necessary, take the option to reset to the default and then re-configure. Under the Identify Network heading, set the Network Name to your choice, the Wireless Channel to "Auto" and, for the moment, enable SSID Broadcast. (Once you have got wireless access operating, you can turn off the SSID Broadcast, if you so wish.) Under the Wireless Security heading, enable Wireless Network Security, set Authentication to "WPA-PSK and WPA2-PSK" and Use Custom Pass Phrase. Skip, for now, the section under the MAC Filtering heading. You can enable that later. For the Additional Settings, accept the defaults. Remember to click on "Save". Now turn your attention to the system you wish to connect via the WAP. I shall assume it is a laptop computer, fully up to date and running CentOS 5.7. Turn off the network service and turn on the NetworkManager. Ensure that the wpa_supplicant service is also off. Ensure that any switch or button has been operated on the hardware to allow the WiFi adaptor to activate. Make sure that you have the appropriate firmware installed, if required. It might be an idea to re-boot the laptop, at this point. Assuming you are using a Gnome desktop, you should now see an icon at the top right of the screen. It is supposed to represent a lead and RJ45 plug . . . to some people they think it looks like a mouse icon! Right click on it and take the option to set up a new wireless network. Follow it through carefully . . . entering all the details, as discussed in the 2Wire modem/router/wap configuration, above. Remember to save the settings. It will work, I can promise you that -- I use both wired & wireless connections for my laptop (dual boot, RHEL 6.2 & CentOS 5.7) and a wired connection for my workstation (CentOS 5.7) via a 2WIre 2700HG[-B] modem/router/wap device.  |
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Posted on: 2012/2/8 3:24
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Re: Wireless connectivity Issue | #5 |
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Regular Board Member
Joined: 2007/12/24
From Dallas (Allen), Texas
Posts: 51
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Alan,
MEGA THANKS! for your help. Yes, I do have my wireless connection working - and I am a little concerned as I did not follow the exact procedure you had suggested. First, my modem/router is a 3800HGV-B, which sounds very similar to your model. Realy, no issues there. I set the Wireless Name, the Wireless Channel and kept the SSID Broadcast enabled, all as you suggested. I chose different settings for the Wireless Security settings and this is my greatest concern. I chose to disable the wireless security and enable MAC filtering. I guess I've placed all my security eggs in one basket- MAC filtering. Is this a good idea? Also, if I disable the broadcast of the SSID, wil by network be more secure? Any insights will be very helpful. Again, THANK YOU!!!! John Wilwert |
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Posted on: 2012/2/12 17:44
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Re: Wireless connectivity Issue | #6 |
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Moderator
Joined: 2007/10/22
From ~/Earth/UK/England/Suffolk
Posts: 9138
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I'm pleased to read that you now have a working WiFi connection.
Ah, I had forgotten that a 2Wire 3800HGV-B would be a more current AT&T issue but as I am not US based, I hope the reason is understood.  Now that you have got the wireless basics working, I would certainly advise turning off the broadcasting of the SSID. You know that your network is present and its name. Why tell everyone else? As for system security, I use both WPA2-PSK and MAC filtering . . . As things presently stand, someone would have to know and then spoof the MAC of one of your devices to gain network access. Again you should now find it easy to implement the pre-shared key (PSK) security method, if you are so inclined. |
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Posted on: 2012/2/12 18:58
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