NT4 DHCP Server Skipping Addresses - TechRepublic
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November 17, 2000 at 04:43 AM
bfloyd

NT4 DHCP Server Skipping Addresses

by bfloyd . Updated 25 years, 7 months ago

I have an NT4 w/ SP6 DHCP server with a mind of its own. The range of addresses assigned to the pool is 10.100.30.0 to 10.100.35.255 with a subnet mask of 255.0.0.0. Due to Win95 and Win98 not liking addresses with a .0 or .255 ending, I have excluded the following ranges:

10.100.30.0
10.100.30.255 to 10.100.31.0
10.100.31.255 to 10.100.32.0
10.100.32.255 to 10.100.33.0
10.100.33.255 to 10.100.34.0
10.100.34.255 to 10.100.35.0
10.100.35.255

Here’s the problem – The server obeys the exclusion ranges stated above, but also skips giving out all addresses x.x.x.32 through
x.x.x.223 in each of the x.x.30.x through x.x.35.x ranges. I have tried deleting the pool and re-adding it, only to have the server skip all addresses from x.x.x.1 through x.x.x.223 and give out addresses
x.x.x.224 through x.x.x.254.

Does anyone have ANY ideas why this is happening? Am I doing something
wrong or is this a bug in the MS DHCP service?
TIA,
Brad

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