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Old 05-05-2008, 08:38 AM   #1
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Registered: May 2008
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Switching between different ADSL accounts Ubuntu 8.04

Hi all,

This may be indeed a n00b question, but it is something I require Linux to be able to do.

I have multiple ADSL account connections which i swap between frequently, well, in Windows anyway.

I use one for torrenting etc, and the other is for general use, eg browsing etc.

Is there an app which can give me a simple option of disconnecting one account, connecting another etc, much like that in Windows?

Any help would be appreciated,

Old 05-05-2008, 10:22 AM   #2
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I guess this is the matter of network interfaces,then this

sudo ifconfig eth0 down
sudo ifconfig eth1 up
will do,that's if you are using ethernet interfaces.Don't know if there is a gui app for that.Check with synaptic.
Old 05-05-2008, 10:29 AM   #3
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Actually you can have multiple configurations on a single Ethernet interface..

10.6.2 High level network configuration using ifupdown logical interface definitions

suppose your computer is a laptop that you transport between home and work. When you connect the computer to the corporate network or to your home LAN you need to configure eth0 accordingly.

First define two logical interfaces home and work (instead of eth0 as we did earlier) which describe how the interface should be configured for the home network and the work network, respectively.

iface home inet static

iface work inet static

Then physical interface eth0 can be brought up for the home network with the appropriate configuration by specifying it on the command line:

# ifup eth0=home

To reconfigure eth0 for the work network issue the commands:

# ifdown eth0
# ifup eth0=work

Note that with the interfaces file written as above it will no longer be possible to bring up eth0 by doing ifup eth0 alone. The reason is that ifup uses the physical interface name as the default logical interface name and now in our example no eth0 logical interface is defined.
There is more info in the Network Docs that explain how to automatically identify which connection you are plugged into etc...


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