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DSL and my Network
BiggBA Jul-17-01 08:54 AM
LAST EDITED ON Jul-17-01 AT 08:55 AM (GMT)

Forgive me I am fairly new to DSL and networking. I have a peer to peer 4 seat network. I have a DSL modem attached to one of my computers. On that system I have 2 NIC's. One for my Internal network and the other to access the DSL modem. I am running a Proxy program on the system with the DSL attached so that the other systems my use the internet. This has worked fine for a while, but of late, there are certain sites that DON'T like the proxy and I would like to be able to access the Internet even when my main computer is either not on or doing something else. I contacted my ISP they told me first I could get a DSL Router/gateway. I priced them, not cheap. But after talking with some other people at my ISP I was able to get 3 more static IP addresses. They said that I don't need the gateway now because each machine now can have their OWN IP. But they wouldn't tell me what I do need to purchase to get them all online. I presently have a small 4 port hub with no uplink. Will I need a different hub? And more importantly will I need a nother network card to put in each of my other machinse so that they can access my Internal network and the DSL modem. Please help.


1. RE: DSL and my Network
lbyard Jul-17-01 04:27 PM
In response to message 0
If your ISP is not using PPPoA (http://www.dslreports.com/information/kb/PPPoA), buy a Barricade for about $100 and forget the additional IP addresses and the monthly fee for them. Also, you will only need one network adapter in that PC. Larry

Q. What are the ways to share a broadband (cable or DSL MODEM) Internet connection?

A. There are few ways to do it. One is to purchase another IP address from you provider as you mentioned. The best way is to purchase a broadband router such as the SMC Barricade (http://duxcw.com/digest/Reviews/Network/smc/smc7004br/smc7004br.htm). That is what I use. They cost about $100.
The Barricade has serial port for an external dial-up MODEM and a printer port and printer server. A printer can be connected to the Barricade and shared by computers on the local network. Not all printers will work with it. Many routers do not accommodate an Internet connection via an external dial-up MODEM and do not have printer port and server.
The barricade would also replace your hub with a switch. Your hub can be plugged into the Barricade if you ever get more than four PCs.
There are also single port routers on the market, routers that do not include an Ethernet switch or hub (http://duxcw.com/faq/network/hubsw.htm). I will review one shortly.
Another way to do it is with a software solution. There are two flavors: a proxy server and a NAT (Network Address Translator). I have found that a NAT works best for a small network. Windows 98 Second Edition (SE) and Millennium (Me) include ICS (Internet Connection Sharing; http://duxcw.com/digest/Howto/network/win98se/intro.htm and http://duxcw.com/digest/Howto/network/win98se_cab/intro.htm). It works OK for basic browsing and E-Mail functions, but has problems with some network games and conferencing programs, etc. It requires two network adapters in the PC connected to the Internet, one to the MODEM and the other to another PC via a crossover cable (http://duxcw.com/digest/Howto/network/cable/cable1.htm) or to a hub with a straight-thru cable as you have now. You would have to buy another adapter and cable.
Of the software I have tested, I have found that SyGate (http://duxcw.com/digest/Reviews/Network/sygate/sygate.htm) is the best NAT (it can also function as a proxy). The version of SyGate I reviewed requires two network adapters like Win 98 SE/Me ICS. The newest version is advertised to work with one network adapter in the host computer (the one running the NAT).
With a software solution you must have the host computer on for the other computer(s) (clients) to use the Internet. Most routers are small boxes running a specialized server that performs both NAT and firewall functions. With a router, only the router has to be on. The router is also easier to install, is generally faster, and has fewer problems.

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