Connecting two networks through hubs? [hub 3com] [vpn network]

admin / August 22nd, 2010/ Posted in Networking / No Comments »

Q: I consider the following, but not sure what is currently the best solution.

Setup:
Two Networks. Network “A” is connected via an Ethernet hub (3Com), which was then connected to a VPN (IBM) that provides Internet access. Meaning Internet modem connected to the VPN.

Network “B” is connected via an Ethernet hub (3Com), which is not connected to a VPN or Internet Modem.

Network “A” and “B” are about 40 meters apart. I was thinking it would be possible for the two together . What would be the best way to do this connection? Connect two Ethernet hubs via a port on each? Seems odd?


Best Answer: Sounds very complicated. Have you tried calling Linksys? They have good tech support and it doesn't expire after a year. They also have a web site with a knowledge base which is very helpful. www.linksys.com and you will see the online tech support.

Re:Hey folks.

yes, the ADSL modem connects to the VPN, which then plugs into (port 1 I believe) on the Ethernethub (8 ports) of Network "A".

Network "B" is not connected to any internet accessible place, so that was why I was wondering if using a Cross over cable (or something else) to connect the TWO hubs would be a possible solution…

Or did I just confuse you all. Sorry, I am trying to be as simple and direct on this as possible.

Thanks again for any advice…


Re:Originally posted by: guy
From Kineses orginial post Two Networks. Network "A" is connected via an Ethernet Hub (3Com) which is then connected to a VPN (IBM) which provides Internet Access. Meaning Internet modem plugs into the VPN

so it looks like he already has a device that is natting for internet access

metier

You sure about that?


Re:From Kineses orginial post Two Networks. Network "A" is connected via an Ethernet Hub (3Com) which is then connected to a VPN (IBM) which provides Internet Access. Meaning Internet modem plugs into the VPN

so it looks like he already has a device that is natting for internet access

metier


Re:It sounds like he will need a router for nat and internet connectivity anway, at least for network B.

Re:Fuzz why would you need a router or ip forwarding if they are on the same subnet, it's just going to a large broadcast domain. You need a router if they are not on the same subnet. As far as the internet is concerned they will need to be on the same subnet. otherwise yoy would need a router to route between the 2 subnets (if there not the same

metier


Re:Thanks Folks.

Actually I am concerned little about the Networks talking to one another at this time….just trying to get internet connectivity going.

Thanks


Re:Originally posted by: guy
Just as long as network A and network B are in the same subnet and you need to use the uplink port on the hubs to connect them together. If the 2 networks are not on the same subnet they will not be able to talk with each other.

guy

not without a router or a box doing ip forwarding :)


Re:Just as long as network A and network B are in the same subnet and you need to use the uplink port on the hubs to connect them together. If the 2 networks are not on the same subnet they will not be able to talk with each other.

guy


Re:It's quite normal actually. What you need is a crossover cable (unless your hubs have a crossover port which is usually represented by an X).

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