Changing from DSL to CABLE

I am in the process of changing my online services from DSL to Cable.  Currently I have a Netopia 3347 DSL Modem.  This modem has wireless capabilities.  The new modem is provided by the cable company and I do not have the permissions to access it to change the configuration.  However, I run the modem into a DLink DIR825 router to use for the network and for wireless capability.  I have a Windows SBS 2003 server on the network.  I have been able to get the wireless working but not both the wired network and the wireless at the same time.  Obviously I have incorrect settings for DNS and/or DHCP.  I need you experts to help me get the proper settings configured into all devices.  Please offer suggestions to help this novice.  Thank you in advance!
lordzackAsked:
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CanusRufusCommented:
Is DHCP enabled?
What IP address do you get for the wired systems?

Start --> run --> (cmd) press enter  (you are now at the command prompt)
type ipconfig and see what appears for IP address and subnet mask.

Is your OS on your wired set for DHCP as well?
If you have a static IP set for the operating system it'll never pick up on the DHCP of the router!
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lordzackAuthor Commented:
DHCP has been enabled on the router
From a wireless laptop that can still log into the router, I get:
IPv4 - 192.168.1.20
Subnet Mask - 255.255.255.0

From the wired SBS server:
DHCP Enabled - No
IP (Static) - 192.168.1.5
Subnet Mask - 255.255.255.0
Default Gateway - 192.168.1.254
DNS Server 192.168.1.5
alt DNS serv 205.152.128.23
Primary WINS - 192.168.1.5

I need to keep a static IP for the server.
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CanusRufusCommented:
What is the IP of the router?
If DHCP is running on the Router it may not recognize the static entry of the server unless you tell it to
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lordzackAuthor Commented:
I have an address of 192.168.1.254 plugged in.  But I can change that to an outside static if I need to.

How or where would I add the static IP of the server?
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CanusRufusCommented:

You need to block this IP to whatever device is controlling the DHCP tables
Do you have a DHCP serve setup or is the Router acting as such?
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lordzackAuthor Commented:
I believe the router is being used as the DHCP.  I would prefer to use the server as the DHCP server.  Any ideas on how to perform this?
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lordzackAuthor Commented:
Running DHCP & DNS through the server worked the best.
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