[PATCH] udhcp: infinite retries
Steven Scholz
steven.scholz at imc-berlin.de
Tue Feb 6 16:21:00 UTC 2007
Paul Fox wrote:
> > >>> It may be useful (at least it is for us) to keep on sending DHCP
request
> > >>> and renewals for ever until we actually get an answer. For that
purpose
> > >>> udhcpc -t 0 could do the job.
> > >> I guess udhcpc -t 999999999 will be the same in practice.
> > >
> > > Almost, but not exactly.
> > > We have machines that can be powered up without being connected to any
> > > network for weeks. However, we need them to fetch an IP if they ever get
> > > plugged to some network.
> >
> > Then maybe you want to use something like netplugd ot ifplugd ...
>
> of course that takes care of the locally connected problem, but
> not the "connected to a switch which is itself disconnected"
> problem.
But udhcpc in background mode takes care of this situation by trying toi get
a lease every 5 minutes or so ... Right?
> dhcp should be using netlink itself, to track interface connectivity. (i.e.,
> needing ifplugd is a bug, in my opinion.)
Not realy. We're using netplugd with static IP adresses as well. No need for
eth0 to be up and running if there's no network...
--
Steven
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