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07-14-2005 02:59 AM
07-14-2005 02:59 AM
Prior to subnetting I could connect a laptop to the flat network in any location and keep my own static IP address.
I'm not ready to go to DHCP for -all- my hosts. I was thinking that perhaps I could have a pool of DHCP addresses at each subnet, and when a latop appeared there it would be given a local address. And a local name?
I'm not quite sure this is a reasonable method of setting this up, nor what it will do to my DNS setup - i.e. do I just leave the pool addresses out of DNS?
I'm open to any general discussion about this and will probably have more specific questions.
Solved! Go to Solution.
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07-14-2005 03:23 AM
07-14-2005 03:23 AM
Re: DNS/DHCP
Rgds...Geoff
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07-14-2005 03:58 AM
07-14-2005 03:58 AM
Re: DNS/DHCP
Are there issues created since the DNS name doesn't match the computer's name as configured in the Net Properties on the laptop?
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07-14-2005 04:30 AM
07-14-2005 04:30 AM
SolutionRgds...Geoff
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07-14-2005 05:03 AM
07-14-2005 05:03 AM
Re: DNS/DHCP
We set the hostname in the DNS A-record to be the same as the NetBios name of the laptop (Net Hood Properties sheet), as a matter of policy.
When I look into 'Net Hood' in Windows, I see the connected laptop, and it shows the Netbios name, as declared by the laptop itself.
So as I described it, by running DHCP, and giving DNS pre-assigned generic names for a pool of addresses that match the DHCP pool of addresses, basically you could see 'Laptop6' in Net Hood, but not be able to ping it by that Netbios name as we can today, since DHCP would have assigned an unknown address from the pool, and DNS would have given it a generic name based on that address. Right?
I realize that this is literally just semantics and I can live with it, I just wanted to be sure that's the expected result.
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07-14-2005 05:17 AM
07-14-2005 05:17 AM
Re: DNS/DHCP
Download BIND and DHCP from the guys who invented the stuff --- www.isc.org. The source is very easy to compile and link and now you have an extremely powerful version of both named and dhcpd. You have the option of always handing out the same IP address to the same MAC address or it can even hand out a static IP address to a MAC based upon what subnet the request comes from. This means that a laptop ueser who travels within your company might two different static IP addresses. Best of all, you can set the system name to "cstephen" on the laptop and when dhcpd hands out an IP address (either static or DHCP'ed), named is notified and you can actually do a hostname lookup on cstephen.xxx.yyy.com -- that's dynamic DNS and it's quite nice.