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Old 06-15-2011, 03:14 PM   #1
veeruk101
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Registered: Mar 2005
Distribution: Ubuntu 12.04 LTS
Posts: 249

Rep: Reputation: 16
How to get wired and wireless connection at the same time using NetworkManager?


I have a wireless connection to the internet, as well as a wired connection to a local network. When the wired connection to my local network is enabled, the wireless connection to the internet no longer works until I disconnect the ethernet cable.

(This setup used to work just fine when I was using Windows, but now doesn't seem to work. I wasn't using IP aliasing in Windows, but I am now, which may be causing the problem.)

My original connection to the internet was a wired one, at eth0, so once I got wireless enabled (on eth1), I created an IP alias to my local network of eth0:1 which is a static IP on my local network. The only configuration I did at all was to add a file named /etc/sysconfig/network-scripts/ifcfg-eth0:1, with the following contents:

Code:
DEVICE=eth0:1
IPADDR=192.168.0.39
NETMASK=255.255.255.0
ONBOOT=yes
And NetworkManager just seemed to pick it up automatically - I didn't change anything else in NetworkManager or anywhere else.

(Also I use 'service NetworkManager start/stop' entirely rather than 'service network start/stop' to manage my connnections. i.e. I did 'chkconfig network off' when setting everything up initially.)

Any idea what I could do to get it working?
 
Old 06-16-2011, 09:19 AM   #2
flakblas
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Registered: Jun 2009
Location: Maryland
Distribution: Fedora, CentOS, RHEL, Ubuntu
Posts: 41

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In my experience NetworkManager doesn't play well when you start messing with configs (which is why I don't use it myself.) Have you tried it without using NetworkManager?
 
Old 06-16-2011, 01:04 PM   #3
veeruk101
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Registered: Mar 2005
Distribution: Ubuntu 12.04 LTS
Posts: 249

Original Poster
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I tried it without NetworkManager initially but there were lots of problems with getting wireless to work on my model of wireless network card, so I was advised to use NetworkManager which solved the problem. I'm sure it's just that I don't know how to go about configuring it correctly rather than it not being possible, so if anyone has suggestions I'm willing to try them.
 
Old 07-04-2011, 11:58 PM   #4
kennyhendrick
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Registered: Jun 2010
Posts: 2

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Talking Huh?

Erased by author.

Last edited by kennyhendrick; 07-05-2011 at 12:02 AM. Reason: Sorry I was thrown by the eth0:1
 
  


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