MORE - Transition Static IP to DHCPD
abartlet at pcug.org.au
Thu Feb 22 23:22:48 GMT 2001
David Rankin wrote:
> Andrew, I need a few more pearls of wisdom....
> I configured dhcp with a basic config and dhcpd starts just fine. I have run
> dhcpd -d -f to see what happens when I try to connect with a Win9x box. The
> results are
> DHCPOFFER (etc.. IP assigned to MAC Address)
> DHCPACK (same stuff, etc.. IP assigned to MAC Address)
> fallback (This is from memory, maybe failover, etc)
> On the windows side I get a message that the domain password supplied is
> incorrect. (The domain login works just fine with static IPs - I don't get it)
> I thinks this is a DNS problem? I have setup named.conf, resolve.conf,
> host.conf and nsswitch.conf files as per the HOW-TOs for a simple caching only
> DNS set up. I don't have an outside connection to the net yet (that comes next
> week), so all I am trying to do is get DHCP working on the private side of my
> net. Like I mentioned in my last post, if I use static IPs, my Linux/Samba
> box works great for Win95, Win98 and WinME machines.
You need to define your own zones, as per the HOW-TOs, and serve them
from your nameserver.
> named is up and running. I can do a nslookup and get the proper response from
> localhost. However, when I try to lookup the fqdn of the samba box or the
> machine next to me I get nothing (except an error)
> On boot, I do experience a NIS and ypbind error. (still under investigation -
> any hints here would help as well)
Are you running NIS? If not, remove ypbind (rpm -e) and the various
things that depend on it (within reason). Edit /etc/nsswitch.conf to
remove references to nis other 'interseting' name resoultion methods
(this isn't strictly necercery, but I think it makes things simpiler to
> I am struggling to rationalize the interplay between DHCP and the dynamic DNS
> setup you spoke of. I am also struggling to understand the interplay between
> DHCP,DNS,NIS and yp. I quess what I'm looking for is someone to say:
> "Hey dummy, it aint that tough. You need to make sure (X. Y. and Z.) are
> installed and working. And then do (A, B and C). I have ISC DCHP 3.0b2 and
> Bind 8 installed. Any help you can give will be greatly appreciated.
> I'm off to dig through the BIND documentation. If I'm headed in the wrong
> direction, please let me know.
BIND doco will only help you so much, the dhcpd.conf manpage has most of
the examples you will need. However, this presumes that you have your
DNS set up correctly in the first place.
Also you will do well to specify the location of the WINS server in the
dhcpd.conf, so machines can quickly and easily find your domain server
for the domain logon. (See example in samba doco)
Hope this helps,
> David Rankin
> drankin at cox-internet.com
> Nacogdoches, Texas
> David Rankin wrote:
> > Second Post, Some initial responses, but I need more concrete
> > information. If anybody has additional information, please give me your
> > thoughts..
> > I currently have a Linux box with Samba 2.07 serving a Win95, two Win98s
> > and a WinME machine. The install is a Mandrake 7.2 server install on the
> > Linux box. Right now I have all my machines using static IP's 192.168.0.10
> > (11,12&13). My smb.conf "name reslove order" = wins lmhosts host bcast.
> > I want to use DHCP and get rid of the static IP's. I have samba as my
> > wins server and each of my machines is listed in lmhost and host. I have
> > each
> > of my Win9x machines listing the other Win9x machines and the Linux box as
> > DNS servers (not sure about this one, but -- My net runs great!)
> > I need advise on how to make the transition to DHCP. I have read the
> > HOW-TOs and I am confortable with dhcpd and the dhcp.conf entries and
> > dhcp.leases files.
> > All of this is in preparation for adding a cable modem and Linksys cable/dsl
> > router to my setup.
> Andrew Bartlett wrote:
> > The way I run all my networks is to install DHCP 3.0b2 from www.isc.org
> > (or the RPM from Mandrake's Cooker if they are up to date) and run it as
> > a Dynamic DNS server (ie setup a DNS domain for your office, and have
> > DHCP dynamically update it). I never use hosts/lmhosts files, and I use
> > Samba's WINS server with its 'dns proxy' option. I would not use the
> > DHCP server on your Linksys, but give it a static IP and list it as the
> > default route out of your network.
> > Hope this helps,
> > Andrew Bartlett
> > --
> > Andrew Bartlett
> > abartlet at pcug.org.au
abartlet at pcug.org.au
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