5.2 RC2 DHCP/resolv.conf install problem

Kevin Oberman oberman at es.net
Thu Jan 8 13:42:44 PST 2004

> Date: Thu, 8 Jan 2004 15:46:17 -0500
> From: Scott Lambert <lambert at lambertfam.org>
> Sender: owner-freebsd-current at freebsd.org
> I've had this happen a couple of times over the past mumble months.  But
> I don't install 5.x often enough and thought I was just seeing a fluke
> in the way my system installed.  Seeing it for third time is just too
> many flukes.
> Last night I installed 5.2 RC2 on my shiny new Compaq Presario 2195US.
> When it rebooted the first time, DHCP gave me my IP address and default
> route but resolv.conf did not exist.  To fix, I touched /etc/resolv.conf
> and restarted dhclient.
> My DHCP server is a Linksys WAP/Router/4-port switch, but I don't think
> the DHCP server is material to the issue.

I was seeing the same thing last November when I was traveling. It only
happened in my hotel room on the broadband connection. 

My suspicion is that the DHCP server is not providing a DNS server and
that it is simply deleting the resolv.conf instead of leaving the
existing one.

You might want to try doing a capture of traffic to the bootps port on
your system and see if that is what is happening.
R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman at es.net			Phone: +1 510 486-8634

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