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Posted on 2003-10-26
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Last Modified: 2013-12-14
I have a netopia router given to me by my dsl carrier and it came with 5 static ip's. in the 67.126 series. The tech setup the router to accept the static ip's thru DHCP for my server and 4 wrkstations using win2k adv server. I want to go in and use 192.168 series ip's for an internal network instead of the static ip's. Also what would I use for my gateway address the gateway address assigned by my isp?? or what??

I then want to know what could I do with the static ip's after that?? I know I could use the static ip's and point email, webserver to one specific ip. but I dont want to do that.

Also could I use static ip for firewall setting with a separate nic card as well??
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Question by:moman61
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Kokoglen earned 1000 total points
ID: 9624242
Im a little confused as to the picture of your network, so Im sorry if Im off base here.

I would suggest installing a firewall hardware device between your internal network and your netoptia.  You can translate the 67. series to 192 series on the firewall.  Does the netopia have a firewall already?  What model is it?

You do not need seperate IPs if you arent doing anything special.  For instance, I have 1 IP and I spilt the ports to go to different internal machines.  25 goes to my mail server, 80 goes to my web server, 21 to my FTP server, etc.  Unless you want seperate servers running the exact same service, you can get by with just 1 IP.

Does this answer your question?  Ask again with a little more detail if It doesnt.

By the way, you can get a cheap firewall that does port redirection for under $100.
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by:moman61
ID: 9624683
Everything is all one server and I do have the webserver, email going to the same ip address as the server (64.126)series ip given by my isp which is static. and the netopia does have a wan setup that I had disabled because I am going to use a software firewall like checkpoint. I will be using a 2nd nic card for that purpose.

When I turn on my other 2 machines, they get the other static ip's automatically since the lan setup was configured already on the router. (64.126). Instead of using the statics given me by my isp I want to use 192.168 series ip's for the internal lan pc's and use one of the static 64.126 ip's for the firewall on the other nic.

In other words my isp's static ip's given to me are lets say 69.100.126.200 - 69.100.126.205
gtway is 69.100.126.206 and submask is 255.255.255.248 these are already config to the router and being detected by lan, web, email. instead of using these given ip's, I want to use 192.168 series for internal and 255.255.255.0 for submask with gtway remaining the same.

I want to use lets say 69.100.126.204 on another nic for the firewall, can this be done and how do I accomplish this?
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