Mailinglist Archive: opensuse-security (220 mails)

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Re: [suse-security] DHCP and IP Numbers ?
  • From: Ken Schneider <kschneider@xxxxxxxx>
  • Date: Fri, 07 Nov 2003 10:22:20 -0500
  • Message-id: <1068218540.14837.47.camel@xxxxxxxxxxxx>
On Fri, 2003-11-07 at 10:11, Greg Byshenk wrote:
> On Fri, Nov 07, 2003 at 09:51:34AM -0500, Ken Schneider wrote:
> > On Fri, 2003-11-07 at 09:39, remote wrote:
>
> > > I have a question about how DHCP is working. You see, I try to set up
> > > a small cluster of boxes to do some parallel computing. The Name
> > > Resolution in this cluster is supposed to work with DHCP. Things seem
> > > to run smoothly, but after some time, my parallel process is
> > > interrupted, with no error message at all. I `d like to know if DHCP
> > > reassigns new IPs after a certain amount of time and if this could
> > > interrupt my parallel processes (I tried both MPICH and rsh).
>
> > You should NEVER put servers on DHCP, servers should only ever have
> > fixed addresses.
>
> Nonsense. I am running a large number of machines (including servers
> and a 70-CPU cluster) on DHCP.

That part would then be BOOTP -NOT- DHCP.

>
> That said... for servers, one should almost certainly be using DHCP
> reservations / fixed addresses.
>
> Try a search on 'fixed-address' in dhcpd.conf(5).
>
--
Ken Schneider
unix user since 1989
linux user since 1994
SuSE user since 1998 (5.2)


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