Re: Continuous DHCP?

[Chris Paulson-Ellis <chris edesix com>]

On 05/12/11 13:10, Jiri Popelka wrote:
> timeout <some big number>;
>
> statement in /etc/dhcp/dhclient-<interface>.conf
> could help.

The problem is with the behaviour of NetworkManager, not dhclient.

>  From dhclient.conf man page:
> "The timeout statement determines the amount of time that must pass
> between the time that the client begins
> to try to determine its address and the time that it decides that it's
> not going to be able to contact a server."
>
> --
> Jiri
>
>
> On 12/05/2011 01:34 PM, Chris Paulson-Ellis wrote:
> > Hi,
> >
> > I have a deployment scenario which requires NetworkManager to keep
> > trying forever to obtain a IPv4 address on a wired network using DHCP.
> >
> > Currently, NetworkManager runs dhclient every 45s, which is fine, but it
> > stops after a few minutes and never seems to try again. In my scenario,
> > the (wired) network is connected to a switch continuously, so the link
> > is always up, but the DHCP server may not be contactable until some
> > random time later - possibly days due to administrative intervention
> > required on upstream equipment.
> >
> > Is there some way to configure NetworkManager to keep running dhclient
> > and never give up?
> >
> > NetworkManager-0.9.1.90-3.git20110927.fc15.x86_64
> > Not running nm-applet (it's embedded-ish hands-off deployment).
> >
> > Chris.