December 23, 1999 10:51 AM

Windows 2000's Network Address Translation

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Windows IT Pro
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An inexpensive way to get an Internet connection
For years, small office/home office (SOHO) networks have used dial-up modems or ISDN to access the Internet. Compared with newer options such as cable modems and asymmetric digital subscriber lines (ADSLs), dial-up solutions are complex and require you to have a certain level of OS, TCP/IP, hardware, and application expertise. Dial-up solutions also require the costly addition of items such as telephone lines, modems, ISDN connections, and ISP accounts.

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Add a Comment

Your notes are terrific !!!!
I do a small problem = the dhcp machine will not go out to the internet even though I can see UDP packets regsitering via RAS screen --- it keeps display the DNS servers assigned on the DHCP.

This is how I have it set up:
Nat server internal address: 192.68.0.1
external .......: 65.189.209.73
Default Gateway on both nic: 65.189.209.74
Wins: 192.68.0.1
DHCP: 192.68.0.1
DNS: 216.227.50.20

all the nat interfaces done as you stated.

the dhcp client is also a w2k addtional domain controller -- this should not make a difference but you should know ---
I did use a static ip address for the client 192.68.0.2 --- but still does not work .
Even though the client's config shows OK --- when ever I do a tracert to an IP --- it nevers goes starts with the def gateway --- it can not see the def gatway so appears --- i can not ping the def gatway from the client .... I am connected to a DSL line via DSLdirect.

Thanks


Sal J. Rampelli 10/9/2002 5:39:55 AM


how would one share internet connection for a network with two gateways.Put ICS behind NAT ?Will it work considering the fact that,
1. obviuosly NAT clients cannot do static IPs and ICS hosts cannot do dhcp.What are the options

Nana Serwa 10/7/2002 2:15:42 PM


Can we use dialup connection for NAT. I configured NAT with two NIC and one Modem but it doesnot show modem connection while installing NAT

Muhammad Owais 4/1/2002 2:08:54 AM


Good, but no info on hoe to use a dhcp server with nat -I will keep looking

Wilfredo Perez 8/23/2001 4:40:22 PM


This is a good article so far (im not finished yet) and it is helping me out. However, I believe i have found a mistake in the paragraph eplaining the DHCP allocation from ICS you say the clients recive a "class C adress in the range of 192.168.0.0 to 192.168.255.255." I believe that is a class B set of adresses (16 bit NetID). Thats all

-Thanks

Adam Tolley 5/18/2001 10:26:20 AM


Tremendous article! A Tour de force - Thank You Zubair Ahmad!

John Becker 5/8/2001 8:59:08 PM


I been in 6 help desk forums on this issue, and this best manual I read until now

Yuval Sinay 1/17/2001 4:03:16 PM


Hmmm... Good...
But ICS work with diferend 192.168.0.1 address.

Mugz 11/22/2000 9:08:32 AM


Very good article, however I also have the issue of SMTP. Usually SOHOs use their internet connection to do email as well as HTTP. Microsoft didn't see this as a major issue?

Russ Galloway 8/30/2000 9:22:01 PM


An excellent article; however, I think that the subject of SNMP was underaddressed. I have a three system network. My Windows 2000 server has two network interface cards: one connected to a 10-base-T hub and one connected to my DSL modem. The other two machines on the network are Windows 98SE and Windows 2000 Professional. Using NAT, DNS and DHCP I have all three systems accessing the web through the DSL modem. I can get web pages, newsgroups and incoming mail, but I cannot send mail. This seems critical to any real SOHO, yet all the articles on this subject seem to treat the SNMP problems with NAT, ICS, etc as minor. I'd like to see another article. One that focus's on trying to solve a typical SOHO configuration (web access, FTP access, Mail access) using DSL or Cable modem and explores the options and restrictions of the various options.

Kent Bair 8/9/2000 7:16:13 AM


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