Create Network

5 pts.
Tags:
Network administration
Network design
Hi, I am not an Network work, so i think its a very simple question, but donot know how to solve it. I have a ADSL Internet Line with a static IP address assigned to me by my ISP. This ADSL line is connected to a Network A through the ADSL modem. The Network A also has a Wifi Router in place. Presently all guys in network A are able to get the internet. Network A has a SureCom 24 port Switch. Now I need to install another nework ( Network B) which shld have the following characteristics. 1. Shld get the internet connection of ADSL Connection 2. When ever any one on the internet ( outside to the Office world) sends any packets on Port xxx , it shld come to a PC in the Network B. 3. No PC of Network B shld be able to access the Network A PCs Please Help regards shagun grover
ASKED: July 13, 2009  4:48 AM
UPDATED: July 13, 2009  12:44 PM

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Thanks. We'll let you know when a new response is added.

The detail will depend on the make and model of the router, but this is the general information.

The Network B will need to connect to another interface on the router.

The router is already configured to translate the addresses of Network A to the fixed IP address given by the ISP. A similar configuration will be needed to translate the addresses of Network B to the sam fixed IP address.

It will not be possible to translate any port coming in to a specific PC on network B. This can be done for some ports, but each one will need to be defined. If you do it for all ports, you are likely to stop the outgoing traffic translations. It is also not good practice to translate all ports, it can make your network vulnerable to attack, restricting it to specific ports, makes this much safer.

Stopping the two internal networks accessing each other is just configuration on the router. On Cisco these are access lists (ACL), if your router is a differnet make then it may be done in a different manner.

If you can post the make and model of the router, that would help to give a better answer. If you can also post the configuration (remove any passwords, and change the fixed IP address) then we can help more.

I hope this does help you, at least a little bit :-)

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