Looking for a Network Guru - Connecting Domain & Workgroup & Middle Pc

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marcop12

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I have some equipment\pumps that collate data but cant be done whilst connected to our domain\network. Therefore a 'break' in the network is needed for the PC that is connected to the equipment. (as example should the network fail, the dedicated machine can continue collating data etc and functioning)

Therefore a 'middle' PC is required with 2 network cards, one going to our network and the other going into an 8 port independent switch. This machine is on our domain with 2 network cards.

We then have 2 machines, 1 which primary collates the data to a folder which is then shared out to a second PC all connected to the independent switch.

The idea is then to somehow get the middle PC with 2 network cards to map into the 2ns PC with the shared folder so we can then access the data by mapping to the middle pc from any connected domain PC.

The middle PC will require to be on the domain for purposes of mapping to it from domain PCs which the machine collating the data needs to be off the domain and on its own network as such and will be issued with IP address from the switch.

Straight off from the middle PC i am unable to map to the 2nd PC on the switch so somehow using the 2nd network card i need to know a way or how to map into this PC with the shared folder which in effect will allow to map to the middle PC over the network and grab the collated data.

I hope this is clear in reading : )
 
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The middle pc will have to have a copy of the data on a local disk. So it reaches out to a share on (10.0.0.2 or whatever) and pulls a copy locally to a folder. This folder is then shared out to the domain(on the other nic) so domain computers can get the data.

I think you can easily make the 2nd machine the middle machine. The 2nd machine will connect to the 1st machine(collating the data), and pulls a copy of the data to a local disk on the 2nd machine. If the 2nd machine had another connection to the domain network(it wouldn't even have to be on the domain - just on the same network as the domain) it could then share out this local copy of the data. The domain computers could the map a drive to this shared folder on the 2nd machine...
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ss202sl

Glorious
May 23, 2012
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Wouldn't it be easier to set up a shared drive on the domain, and then use robocopy to replicate the data(using the middle-man pc) from the off-domain PC to a server(or file share) on the domain. Then you could connect to the data from anywhere on the domain.
 
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marcop12

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[we looked at that setting up a private network share but somehow the external company state it wouldnt work and still be on the network]

 
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marcop12

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Well tthe data produced is from high end pressure gauges and the company specify it has to run independently and not on the network at all. We then need to be able to access the data from other PCs on the network\domain. It was suggested the only way to do so was by setting up the switch to allow the 2 PCs connected and also the middle PC via 2nd network card. It would all work good if we could map through to the middle PC from the 2nd PC which has the copy data from the main PC.
 
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marcop12

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ss202sl

Glorious
May 23, 2012
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What about FTP. Set up ftp access to the folder where the files are on the 2nd PC . Use the address for the FTP site that is on the domain side router. Set up a generic user and password to access the ftp site. Then you can connect the domain computers through ftp to these files.
 
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marcop12

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marcop12

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[The 2nd PC is not on the network and is side by side to the main PC and connected to the separate router so has no network capabilites so access FTP, the main PC is collating the data to a shared folder on the 2nd PC which i would then like to be able to see the middle pc which has the 2 network cards and is on the domain, ie one network cable to the network and the other to the seperate stand alone router connecting up the main and the 2nd PC]
 
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ss202sl

Glorious
May 23, 2012
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Run a crosover cable between the 2 machines, and set up a n IP on both (something like 10.0.0.1 and 10.0.02) and then you should be able to connect through this IP over to the drive to pull a copy.

This essentially puts them on a network of their own, so there isn't any issue with other network traffic.
 
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marcop12

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Ok i will look at these options, but as far as you know the original option of having the main pc, the 2nd pc and the middle pc connected to an independent router which also goes back to the middle PCs 2nd NIC card, with this there is no way to do what is required ?
 
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marcop12

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No thats not the case. Ok i have what is being described as 'middle' pc which acts as a break on the network. This machine has 2x NICs, i then have 2x further PCs with 1x NIC each, these x2 machines are plugged into a small 8 port netgear router, also a network cable from the 2nd NIC from the 'middle' pc is also plugged into this router. Also the main equipment is plugged into the router and is configured using an IP assigned to it, whatever we choose.

So we have all 3 PCs and the PLC test equiptment plugged into the netgear router, one of these machines the 'middle' pc also is attached to the domain\network using its first NIC

The Main PCs job is to run the software for the equipment and collate the sensitive data, the 2nd PC is mapped to the main PCs folder where the data is collated on the main PC.

I then want the middle PC to be able to see the 2nd PC and create a share or map to it so the data is then visable on the middle PC which as it is on the domain we could easily map into this machine and access the data.

The problem is how to configure the NICs on the middle PC\if required to
Then map to the 2nd PC and how to do it to be able to see the shared folder from the main PC.

ITs possible the 2nd NIC that connects to the router would have to have same range assigned as the other 2 PCs and the equiptment in order to see it i guess. Then when the share can be seen on the middle PC the network break occurs as everything so far been done through the router. Then when share seen we can then have it on middle pc and share out to the network\domain
 
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marcop12

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Ok if ruled out the shared folder from drive mapping.

From the middle PC which has the second NIC card, and on the same router as the 2ns PC which has the copy of the data on it. Is it not possible to map to this machine and then it should be mapped and as the machine on domain solve issue ?
I thought the issue may be configuration of the 2nd NIC card as if the first configured for DHCP and the 2nd configured with the range 192.xxx.xxx for all the other PC, main, PLC tool, then its how best to configure the 2nd NIC and if on same IP range\router it should be able to see the 2nd PC ?

 
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marcop12

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ok so for the configuration of the 2nd NIC how would i do that ? as the primary NIC will be connected tot the network and obtaining an IP from DHCP. So somehow i have to setup the NIC and the other PCs by giving them an address that they will all like to be able to see eachother and share\map, the correct way to configure the NIC and how to map to this 2nd PC is throwing me
 
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ss202sl

Glorious
May 23, 2012
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These 3 pc's will need to be connected through a simple switch. Set the IP addresses on a different IP range. I would set them up like

PC1 10.0.0.1
PC2 10.0.0.2
PC3 10.0.0.3

You can map the drive by IP address \\10.0.0.2\c$\share
for this connection you'll use a local user and local password for the mapping.
Then set up a copy or replication job.

The domain will connect through the other nic(probably 192.168.1.x)
 
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marcop12

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Ok ive got the IP part clear for the machines and the equipment could be 10.0.0.4

So the main PC thats collating the data has the folder set as a shared folder, the 2nd PC then finds the share, so it can see the data but is away from the machine collating the data. Then we would need the middle PC to also see the share ? As this middle PC is logged in to the domain the part about using the 2nd nic to the simple switch to use that resources is confusing me,

If i went to search for a share it would look to my domain as its the primary NIC being used or would it also see the 2nd NICs network ie the switch and the other PCs connects 10.0.0.1 x2 x3 etc ?

If i could see the share on the middle PC would it allow me to access the share if its connected to the domian ?
 
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ss202sl

Glorious
May 23, 2012
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The middle pc will have to have a copy of the data on a local disk. So it reaches out to a share on (10.0.0.2 or whatever) and pulls a copy locally to a folder. This folder is then shared out to the domain(on the other nic) so domain computers can get the data.

I think you can easily make the 2nd machine the middle machine. The 2nd machine will connect to the 1st machine(collating the data), and pulls a copy of the data to a local disk on the 2nd machine. If the 2nd machine had another connection to the domain network(it wouldn't even have to be on the domain - just on the same network as the domain) it could then share out this local copy of the data. The domain computers could the map a drive to this shared folder on the 2nd machine.

The switch would be needed because you would have more than 2 computers on the 10.0.0.x network, and would need the ports to connect them. If you only had 2 computers, you could use a cross-over cable straight between the 2 computers.
 
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