DHCP Server and Gateway, Automatic DNS Address

[Alexander.Keysselitz]

Our Situation:
The Access to Internet is realized by the ADSL Route with IP 192.168.1.5
For all Clients are established static IP Addresses in ten C Net 192.168.1.x
At the Clients is indicated the ADSL Router as Gateway (192.168.1.5)

Problem:
I configure my DHCP Server (e.g,. range 192.168.1.100 - 192.168.1.200)
If I click in the client "Get IP Automaticaly", disapears the
Gateway-Entry-Field.
Without the Gateway indicated, however, I dont have Access to the Internet

Question:
How may I configure my Servers (WinXpServerPro) so that my clients have
access to the Internet over the ADSL Router (IP 192.168.1.5) but at the same
time my clients will get the IP assigned automaticaly By the DHCP Server ?


Question 2:
How do I have to configure my Servers, so that my Clients have access to the
DNS Servers of my Internet Provider, without the need to indicate teh DNS
Server Addresses in euch client individually. In other words, how do I need
to configure my Servers, so that I can use the option "Get DNS Address
automaticaly" on my client computers?

Thanks for your Help

Alexander

 

[Doug Sherman [MVP]]

You can configure the scope option 003 - Router on a Windows DHCP server to
pump out the default gateway setting:

http://support.microsoft.com/kb/300429/en-us

Doug Sherman
MCSE, MCSA, MCP+I, MVP

 

[Guest]

Question 2:
How do I have to configure my Servers, so that my Clients have access to the
DNS Servers of my Internet Provider, without the need to indicate teh DNS
Server Addresses in euch client individually. In other words, how do I need
to configure my Servers, so that I can use the option "Get DNS Address
automaticaly" on my client computers?

Thanks for your Help

Alexander

As said, the gateway is a scope option. As is DNS.

Most routers support DNS forwarding. Provided this option is ON, your DHCP
server can be set to assign the router's IP as the DNS server address, so in
other words both gateway and DNS are set to 192.168.1.5 by the DHCP server.
The router then forwards the DNS requests to the internet-side DNS servers.

A proviso, if you are running a domain controller, then the first DNS entry
MUST be the internal domain DNS server, not the Internet one(s) otherwise you
may have domain-logon problems. (In fact, in this case you are as well to use
your internal DNS server to do the forwarding, instead of the router)