On Tue, 2011-05-03 at 12:59 -0400, Laine Stump wrote:
I have a laptop (currently running Fedora 13, with
NetworkManager-0.8.4-1.fc13.x86_64) that I sometimes use with a single
ethernet, sometimes with that ethernet + a VPN connection, and sometimes
plug in a 2nd ethernet onto a physical private network that provides the
same connectivity as the VPN. When the 2nd ethernet is plugged in,
sometimes its configured DNS servers are listed first in
/etc/resolv.conf, and sometimes the others are (and it can periodically
change, I'm assuming this happens when the DHCP lease is refreshed on
one interface or the other).
To avoid disruptions in service, I need to be able to force the DNS
server on the 2nd ethernet to always takes precedence over the DNS
server on the 1st ethernet (ie, that it be listed first in resolv.conf),
but I haven't found a way to specify that. Am I missing something, or
does this functionality not exist?
I don't think this functionality exists yet, as there isn't a way to say
that a specific interface or connection of the same device type as
another is always preferred over another yet. Not sure what the best
way to handle this yet is... suggestions welcome. One that I know
would come up are priorities with the device's class so that you could
do exactly this and prefer one ethernet connection over another ethernet
connection.
Dan
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