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04/23/2009 at 08:43AM PDT, ID: 24349403
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8.4

Bi-directional routing between two physical LAN's within same building

Asked by Siconltd in Network Design & Methodology, Network Routers

Tags: Routing

Hi All,

We have a customer running specialist factory equipment which is all ip based which is in turn connected to two control servers, these servers allow management of all the equipment.

At present the devices and servers share the same ip / subnet range of the customers windows network.

Due to issues on the network (a recent addition with duplicate IP taking the whole factory system offline) its been suggested the custom equipment is seperated onto its own LAN with a seperate subnet / ip range.
This causes a problem in how to achieve this. Its a simple matter onsite to have all the custom equipment connected to its own switch but we would still need machines on the windows network be able to connect to these machines via say RDP to run reports and such like and to also allow the hardware support company to access the equipment remotely.

I would assume the best way would be to place a router between both networks and setup the appropriate rules to allow traffic to pass between the two subnets.

Does anyone offer any suggestions as to what piece of equipment could achieve this bearing in mind the customer has limited budget.
At present they use a Juniper Netscreen for LAN / WAN routing but as its a older 5 series model it does not have mutiple configurable LAN ports like the newer SSG20's.
We could just suggest replacing this model and let a newer SSG20 deal with the routing or provide a cheaper option without making a working piece of kit redundant.

Any help would be appreciated.

Neil.
[+][-]04/23/09 10:03 AM, ID: 24217333

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[+][-]04/23/09 10:47 AM, ID: 24217782

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About this solution

Zones: Network Design & Methodology, Network Routers
Tags: Routing
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Solution Provided By: sangamc
Participating Experts: 2
Solution Grade: A
 
 
[+][-]04/23/09 10:49 AM, ID: 24217798

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[+][-]04/24/09 12:14 AM, ID: 24222466

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