IP Addresses within a Network

  mitchamm 11:20 21 Mar 2005

I have been asked to configure a small Insurance Office Network for a friend and am having trouble getting the IP Addresses to allocate themselves correctly.

There are 6 machines in the office, all running Windows 98. One of the machines has a Broadband Internet connection that 4 of the other machines need to share. The 5th machine has some Insurance software on it that will only allow access to it from the following IP Adresses.

The problem I am getting is that when I get all the machines to Obtain IP Address Automatically, five of the machines allocate, but the 6th machine allocates, which means that it cannot talk to the insurance software. How do I get it to allocate

If I try to ping, the request times out. As the OS is Win98 there is no DHCP Service running. Please can anyone help?

  Forum Editor 18:06 22 Mar 2005

in the wrong forum area, mitchamm. I'll move it to the Network forum.

  selfbuild 18:50 22 Mar 2005

From where are the ip addreses being allocated? There must be a source that is allocating the ip addresses.....

  FelixTCat 21:23 22 Mar 2005

If you have to have IP addresses for particular pcs in a particular range, then you are better off fixing those addresses.

In this case, the ones you need to fix are the one with the special software on it and the one that doesn't need to access that software.

I presume that you are using Internet Connection Sharing based on the pc with the internet connection. That pc is therefore acting as the DHCP server.

The pc connected to the internet (and sharing that connection) will automatically be I would suggest that you fix the software machine on and the other one on The others will then assume the range - 5

  selfbuild 22:05 22 Mar 2005

Would you not be better off fixing the ip address of the insurance software pc to if it only allows an incoming ip range of after all it doesn't need access from its self.....

  FelixTCat 23:02 22 Mar 2005


I make no assumptions. If someone writes software to allow connection from only those IP addresses, who knows what it allows . . .

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