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One server and 2 subnets

We are working on a situation where we might have the following network setup.

Cable Connection Firewall/Router --> Switch --> PCs and printers

Then on this LAN will be a file and print server with shares to the printers on we'll say the 192.168.1.0 subnet. There will be dual NICs one configured with a GW and DNS to the cable connection and the other NIC will go to a switch or data port that will uplink to say subnet 192.168.2.0. We will need clients from both subnets to print to these printers, but want to keep the printing traffic on 192.168.1.0 as there will be more printing done on this side than the 192.168.2.0.

Will this proposed setup work OK? Should we consider using a router between the file server and that uplink that will allow us to get the 192.168.2.0 subnet printing to the 192.168.1.0 printers?
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ServicePointUSA
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ServicePointUSA
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1 Solution
 
pseudocyberCommented:
I think a router would be easier to manage for you in the long run.
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ServicePointUSAAuthor Commented:
What router would you recommend, and with the information provided above what would be the best practice to accomplish this setup?
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pseudocyberCommented:
I would get a layer 3 switch - which can route between vlans - in the "core" right behind your router/firewall.  Plug your servers in there - with downlinks going to other switches which provide access to your users and pritners.

If your budget can afford it, I would recommend Cisco's.
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ServicePointUSAAuthor Commented:
With that being said would I be entering in a static route on the layer 3 switch that would point to the other subnet, which would allow those users on the 192.168.2.0 subnet to print to a printer with an assigned IP of 192.168.1.x?

Thank you in advance.
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pseudocyberCommented:
It's like this:

      Layer 3 Switch
Vlan 2                 Vlan 3
192.168.2.0     192.168.1.0--------------Print Server
    |                         |
    |                         |
Access Switch     Access Switch
    |                         |             \
   PC                       PC           Printer

As soon as you put IP's on the two VLANs in the Layer 3 switch, enable them, and plug something into it, the switch will build a routing table with two directly connected networks - no special static routes or anything will be needed.  The default gateway of each PC would be the IP of the VLAN it is on.
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ServicePointUSAAuthor Commented:
Sorry but one last thing I should add to this. We will not be responsible for the 192.168.2.0 subnet, it's being managed by another IT dept. They have their own T1 connection for Internet and thus have their own GW address, that would differ from VLAN 2. Since this is the case how would those clients be able to send print jobs over to the printers on the remote subnet? Will that uplink from VLAN 2 to the clients core switch give them the access required?
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pseudocyberCommented:
That's a key piece of information there ...

In that case, ideally, the other router for the other 2.0 subnet would have a static route pointing back to the .1.0 subnet - something like this:

For network 192.168.1.0 255.255.255.0 next hop 192.168.2.x where .x is the IP of the vlan2 on your switch.  This would allow all clients on the net to send traffic as normal and their router would route it back.

If they won't , then you'll need persistent routes on all the hosts on 2.0 that want to talk to 1.0 like this:
route add 192.168.1.0 mask 255.255.255.0 192.168.2.x -p
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ServicePointUSAAuthor Commented:
Sorry about that! This makes sense now, I appreciate your time in addressing my questions.

Sean
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