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Connect one computer and one Router to one Modem

Tags:
  • WAN
  • LAN
  • Networking
  • Routers
  • Computers
  • Connection
  • DMZ
Last response: in Networking
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January 5, 2014 9:59:49 AM

I have 2 static WAN IP addresses. I want one to be assigned to one computer only. The second IP address I could care less about. The additional 8 computers on my network I would just be happy to use DHCP to connect them. Can I put an unmanaged switch behind the modem, connect 1 configured computer to it and 1 DHCP router? I do not want to use DMZ through one router and there is no reason for the 1 computer with static IP to access the LAN.

More about : connect computer router modem

January 5, 2014 10:58:58 AM

Okay your basically trying to circumvent the standards here of basic network design and that is the issue and why your having a conflict. So lets break this down:


The ISP assigns 2 INTERNET Points to either have Two 'unprotected' (the DMZ your speaking of) systems directly 'on the Internet' (just like Google, Microsoft, etc.) or to use with a Router with Firewall and Network Address Translation (NAT) to hide a network of computers behind (the 8 computers, your network printer, etc.) in a protected methodology.

The 'WAN' computer you want directly connected to the Internet, what is it's function? If you have that computer 'unshielded' like that, it is a prime target for illicit activity to take over and use ever millisecond to millisecond your sleeping, not at work, using the bathroom, etc. So placing it just 'on the IP' is not a proper business plan, thus the DMZ, which offers a level of protection but can be still 'separate' from the rest of the other 8 computers via Virtual LAN configuration in the router.

The 'WAN' Computer would in either 'exposed' or DMZ plan consume 1 Internet Point the ISP assigned, that leaves the second assigned Internet Point for the Router, Firewall, and NAT (usually in a all-in-one business / consumer device, but all depends on your business needs) to 'split' the connection for the other 8 computers. Mind you though, even though you have the WAN computer on a seperate Internet Point does not mean it will still not be 'affected' or 'affecting' the 8 Computers 'Internet Speed'. You still have all items on the same single connection.

So for example if this WAN computer was a 'torrent' server (for example), and all 8 people were trying to do other work, the 'torrent server' would still be slow to download / upload because the 8 people are trying to work, andvice versa when the server kicks in the 8 people 'take forever' to get webpages up, do email, etc. (external to file sharing among the 8 computers, or printing, etc.)
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