andynet, A Windows server isn't the only server that can provide DHCP services. A lot of companies use *nix servers. I haven't touched a Windows DHCP server for almost 10 years. Our company uses 500 Linux servers and 5 Windows servers. Of course, they don't all provide DHCP service, but all of our DHCP is handled by the Linux boxes.

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I'm a "Network Technician" at a university. I've actually been working with computers for around 15 years now. I have a diploma in computing (2 year course) as well as my MCSE, A+, Network+ and a plethora of vendor cert's including, Compaq, IBM, HP, Lexmark. Prior to taking the position I presently hold I've done everything from hardware to domain administration. I've done everything from building an AD integrated domain from the ground up, to upgrading people from NT 4.0 to 2000/2003. The responsibilities of my present position include day-to-day maintenance and support of our network. This includes our WAN - we have locations in 4 different cities and one of those locations includes two different buildings connected via a point-to-point Enterprise wireless shot. Another location includes 3 separate buildings connected via the same p-to-p wireless as well as one of them having a redundant fibre optic (dedicated) connection to the main building at our site. So that's a WAN that encompasses two MAN's and two locations with a single LAN. We have dual redundant Nortel Passport 8600 core switches. Somewhere in the area of 100+ high density Nortel Baystack 5510 and 5520 switches spread over 13 wiring closets in our main location (including our data center which holds over 200 servers - can't give you an actual count there - most of which are *nix servers) and 30+ switches located in the other locations. I'm also responsible for our in-house wireless network as well as VoIP. I handle day-to-day changes on all switches (and then backup up the configs after making changes) and I'm also responsible for configuring/deploying new switches. I'm presently in the middle of evergreening out the old Cisco and 3Com switches in our environment and have to date created and deployed 4 "stacks" of switches (connected via 'cascade cables' which allows multiple switches to behave as one single BIG switch) in our data center. I've replaced multiple single switches in favor of the 4 stacks which are: Server stack (5 switch stack) Client stack (5 switch stack) DMZ stack (4 switch stack) Firewall stack (3 switch stack) The DMZ and Client stacks are already in production and the Server and FW stacks are deployed and we've already started moving servers over onto the server stack (new connections only so far) but to move all firewall connections and the remaining server connections to the new stacks requires coordinating with all other computing departments so will be a little tricky as it will require a wee bit of downtime. We should be finishing that up in the next 8 weeks or so. Let's see, have I missed anything.............. Oh yes! The server I built and deployed that does our network monitoring. It's a linux based server running Cacti. That's really the only server I touch anymore as all the others belong to other departments like the Web department. The last thing I haven't mentioned yet is the least enjoyable part of my job, but also one of the most necessary..........documentation. So do you now understand how I can not touch a Windows server in the last 4 years (that's how long I've held my present 'network technician' position)? :)

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Good answer, thanks, i am forever learing and this what is just the stuff i need to know.......

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Acording to Mr. Wanderer "should be using private b address range 172.16.0.0 through 172.31.255.255 I seem to recall that when you go to make a host entry in the forward lookup zone there is a check box to create the ptr in the reverse lookup zone" If i use IP private b address range 172.16.0.0 through 172.31.255.255 then how can i make reverse lookup zone for 172.16.0.0. when i make revese lookup zone it will ask network id and when i define 172.16.0.x it will fix these three (172.16.0) and ask last address it's mean if my first host is 172.16.1.1 then how i add this in reverse lookup zone and suppose i add another host with 172.16.2.2 ip address then how i will create PTR record.

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I didn't say use this as your range but this is the private Class B address range you should be using instead of a public ip range which you are using. Have you reviewed this? http://www.windowsreference.com/dns...

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Applying the famous quote by Curt R to the situation at hand. KISS = keep it simple silly My guess is that a Class B subnet isn't needed in the first place & a Class C would work just fine, which would make things even more simple. No matter what, everyone agrees to move to an internal block of IP addresses.

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