What is the method to manage network interfaces in Ubuntu 12.04?
After upgrading two instances of an older Ubuntu (10.10 and 11.04) to 12.04, I notice an apparent conflict between the way my network interfaces were previously managed and the new methodology, which apprently is extremely "Network-Manager-Centric."
It seems that my previous configurations, stored in /etc/network/interfaces, continue to work, but tools like 'dhclient' not longer function as expected. Now, in order to re-configure the interface between a static IP and a DHCP IP, I've discovered the best solution is to comment out all but the 'lo' adapter in the /etc/network/interfaces file, and just perform all my configuraion changes with Network Manager.
My question is 2-fold:
Is this expected behavior, as part of some kind of long-term plan to exclusively use Network Manager?
Is there documentation which describes the current state of network interface management in Ubuntu?
After upgrading two instances of an older Ubuntu (10.10 and 11.04) to 12.04, I notice an apparent conflict between the way my network interfaces were previously managed and the new methodology, which apprently is extremely "Network-Manager-Centric."
It seems that my previous configurations, stored in /etc/network/interfaces, continue to work, but tools like 'dhclient' not longer function as expected. Now, in order to re-configure the interface between a static IP and a DHCP IP, I've discovered the best solution is to comment out all but the 'lo' adapter in the /etc/network/interfaces file, and just perform all my configuraion changes with Network Manager.
My question is 2-fold:
Is this expected behavior, as part of some kind of long-term plan to exclusively use Network Manager?
Is there documentation which describes the current state of network interface management in Ubuntu?
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