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NAT with 4 Real IPs

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12 replies

by maksumon

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My office has decided to purchase 4 Real IPs to get dedicated bandwidth of 4 mbps. Now my question is will I be able to create a NAT with these 4 Real IPs to use with 20 users and will my USA office be able to remotely access those PCs using Real IPs including both way communication.

12 replies

by tobif

Do you have 4 separate cables with 1 Mbps in each, or is it one connection with 4 public IP addresses attached?

Usually, for speed reasons, you don't need to have several ip addresses.

It could be good with at least 2 separate connections (via different ISP) for redundancy.

If you'd have several, say, mail servers in your network, then you could make use of several ip addresses. (This would in most cases not be an issue for web-servers, though, since they usually get the needed host name in the URL string)

by maksumon

There are 4 separate cables with 1 Mbps each.

by cg it

what type[s] of router[s] are you using or plan to use to aggregate the 4 internet lines?

Even if you are able to aggregate the 4 lines, you still won't get a full 4mpbs bandwidth.

NAT you can configure one to one, many to one, or you can setup 4 seperate subnets, each for hosts that get to use only 1 line of 1 mbps.

by maksumon

I'm actually planning to use a Windows Server 2008 R2 Server PC as One I've in my office with 5 NICs.

I want to know if I put 4 incoming real IPs in my Server PC, will be able to access my Office PCs from outside just using the Windows built-in Remote Desktop Application or not?

by robo_dev

To try to use a Windows server as a router with five WAN interfaces simply will not work.

First of all, you need a firewall of some sort, but that's the least of your problems.

Windows can do some simple routing, and some things it cannot do include: bandwidth aggregation, load sharing, and link-failover.

Assuming that your intent is to bind the five WAN interfaces into one, well...that just won't work.

What you need is a router that can support multiple WAN interfaces.

by cg it

but then simply decided that the question wasn't worth the time, as I find most of the questions on Q&A.

personally, I think your wasting your time responding to questions like this.

by robo_dev

//begin rant//

There's this ageless concept in the IT world...the triangle of time, cost, and quality.

There is a meteoric rush to save cost in the IT world, and a blind infatuation with outsourcing, in order to save cost.

I have observed in recent years a great number of people who have IT jobs at outsourcing firms, who appear to be altogether a few fries short of a Happy Meal.

It's kinda like if you've won the contract to provide jet aircraft for Air France and you are on a aircraft tech forum asking questions about what would be a good material to use to make airplanes.

//end rant//

by maksumon

Thanks to all of you for giving your valuable time.

Thanks a lot

by robo_dev

and somehow I avoid making snarky comments, I don't know how.

by cg it

how it works, how it doesn't work.

either you don't have any experience in it, thus don't know, which then begs the question, how did you get the job not knowing,which probably isn't the case...

Or you do, which is the case, and come up with senarios simply for the "joke".

Questions like these, simply make TR Q&A trivial and worthless.

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