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how to share file without sharing LAN?

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by tech06

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We would like to access files from a stand-alone CAD workstation (XP Pro) without joining it on to the LAN domain (TCP/IP). The machine already has a NIC for broadband connection. Can this be achieved by adding a second NIC with a seperate set of IP address that the LAN would recognize? We also do not want inbound traffic from the CAD machine getting into the LAN.

Any suggestion would greatly be appreciated.

5 replies

by w2ktechman

You do not want it on the network, but you want to install a second network card?
Is it just me or is this an odd approach???

If you do not want it on the network, adding a network card is not the right approach. Keep the LAN unplugged from it, and share files differently, like a crossover cable for direct connect, cd/dvd, etc.

by tech06

Sorry about the confusion. What I meant was we don't want to join the CAD machine on the domain and having to sign it on every morning for the LAN user to access file. We have been using the CD-R to share files between the 2 but would like to do this electronically. We thought a seperate NIC with static IP would let us share file yet add some layer of security.

Thanks.

by jterra

I hope I am answering your query, but I suggest you join your PC to the LAN as WOKRGROUP. My Computer > Properties> Under System Properties click Computer Name Tab > Click the Change button. Under Workgroup, type in the name of your LAN workgroup. Restart the machine and go to Network places to view the machines required to access your files.

Let me know on jterra@pngce.com.pg if your have further problems or if I am not answering your question.

by cg it

Windows will get confused on which NIC to use to send traffic to the gateway unless you disable one, then when you want to use it enable it and disable the other. you can bridge but then it's still using one NIC to send to the gateway.

if you don't want to join it to the domain and you don't want it on the domain LAN but want a domain users to access files, you have to treat it as an external network [WAN]. so essentially, the user would VPN into that computer to get the file.

a way around that might be to use a VLAN but then for VLANs to communicate with each other you have to do trunking. So VLAN red to talk to VLAN blue, you trunk. Hosts on red then can pass traffic to blue and vice versa. They still are on different subnets, and you can configure the layer 2 switch to only allow traffic from a particular host to span the VLANs.

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