DHCP & DNS

John Austin ja at jaa.org.uk
Sun Oct 21 22:01:00 UTC 2007


On Sun, 2007-10-21 at 22:36 +0100, Steve Searle wrote:
> Around 10:25pm on Sunday, October 21, 2007 (UK time), zephod at cfl.rr.com scrawled:
> 
> > Yes, I know I could do that. It's OK when there are only 2 boxes but
> > what if I had a small office setup with, say, 100 PCs. It's not so
> > practical then. I'm interested in finding out if there is another way
> > to make this work.
> 
> An office setup that you described would probably do this using a domain
> name server (DNS) such as BIND.  This would serve public internet
> addresses as well as the private network ones - the DHCP server can
> update the DNS with the dynamic addresses when it allocates them.
> 
> You can set this up on your GNU/Linux box - I run one for my small home
> network.  Note that if you do, your Windows box would need to be set to
> point to the GNU/Linux one its primary DNS, but you would want a
> secondrary DNS server for when the GNU/Linux one is down.
> 
> You can find some instructions I have written here:
> http://www.stevesearle.com/tech/centos5.0.svr.html#bind
> 
> Steve
> 
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I found this useful when setting up my home DDNS

http://www.redhat.com/magazine/025nov06/features/dns/?sc_cid=bcm_edmsept_007
with a second chapter here

http://www.redhatmagazine.com/2006/12/15/dns/

I have a blog type file of how I set up my network
if anyone is interested.

John




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