[WinMac] Re: Open Transport vs NT DHCP


Ben Lawson(nobleswan[at]home.com)
Sun, 28 Feb 1999 00:22:24 -0500


On Fri, 26 Feb 1999 Paul E. Jacoby <pej@visi.com> wrote:

>>We've "upgraded" our network a week ago. We've now got a large number of
>>Nortel (Bay) routers and are using different NT 4 DHCP servers. As a
>>result we've had many TCP/IP problems with our PowerMacs... Some of these
>>issues are discussed/resolved at
>><http://www.macintouch.com/imacdhcp.html>.
>
>What is your lease time set to on the NT server? Too long a lease time can
>cause the Mac some problems. Ours are set for 3 days, and we see very few
>problems. We are finding, however, that most machines do NOT retain their
>assigned IP address across a reboot, as they are now "supposed" to under OT
>2.0.2.
>
>Most of the IP conflicts we see are caused by WIN95 machines that refuse to
>release their IP address after their lease has expired. The DHCP server
>gets no request to renew the lease, so it returns it to the "free" pool and
>hands it out again. Since the Macs tend to request a new address more
>frequently than the PCs (every reboot), they are generally the machines
>that get affected by these Win95 boxes.
>
>Updating the offending Win95 boxes to Win 95A (minimally) with the WinSock
>2.0 patch seems to fix the problem.

I believe our DHCP leases are 30 days. It now seems that our Macs on OT
2.0.x are fine, it's the older versions of OT that are having this
problem...

Ben Lawson <mailto:nobleswan@home.com> (it's a anagram)
<http://www.nobleswan.com/>

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