Topic: Network within a Network setup possible?

[rkscscc]

Hi Guys,

Need some advise as I'm busy quoting a client on a new server, here is the current setup...

Client B is part of Client A's business and thus has their current 6 users part of Client A's network and MS domain...

What I would like to do is move Client B to their own SME server and get them seperated from Client A's network as their network is about to colapse...

This is the easy part because all Client B's users are located close to each other and running through the same router, so I can just place a new router for them and get them seperated.

Here comes the niggly part:  Client B's users still need to print to Client A's IP printers (network printers available via IP) and I don't know how to get past that part, because selling him new printers is not going to work...

So, to recap, Client B moves to their own SME server and network, but still needs to print to Client A's network printers.  Is this possible and how do I go about it to set this up?

Riaan
+27825562022
skype:  riaan.rks

[mercyh]

I have network within network here where I work. I do it this way. Shared ISP and router with DHCP turned on. Shared subnet (obviously). Windows Domain for one company, Novell netware and SME file server for other company. SME hosts all websites and email for both. Both companies share printers. Both companies have committed to not bringing in another gateway to maintain some semblance of security. You would have to trust at least the modem and router of the network that is about to "collapse"

I have played a bit with printing from separate subnets using a router between the two. It works one way for sure but possibly not the other without port forwarding. (I was using this router as a gateway in my test. I am not sure how you would tell the client to look for the other subnet through that router otherwise.) I think it could be done with some experimenting.

[rkscscc]

Thanks mercyh,

Now could you repeat that in English please ?

Is it possible to to explain it with IP's attached just for further explanation, I have an idea but just trying to get the full picture here...

Also, one of the biggest probs are the modem/router setup they have, therefore the new network with dedicated internet...

Riaan
+27825562022
skype:  riaan.rks

[mgic_box]

.

[mercyh]

My setup will not work if Modem and Router are your concern. Anyway I will try to make it understandable. (I hated language in school )

WAN
v
v
Modem
v
v
Router and DHCP server (trusted port IP 192.168.123.254 subnet 255.255.255.0)
V
v
Switch>>>>>>Company A with windows domain (IP range 192.168.123.xxx mostly dynamic IP's)
v
v
Company B with Novell Netware and SME servers (IP range 192.168.123.xxx mostly dynamic IP's)

(There is of course much more on the network but that is not relevant for this discussion)


In your situation I think the least expensive way to fix the problem if your concern is the modem and router is to get both companies togeather and replace those components, at that point, if you did not trust the other companies wiring and switches you could fork the network. (but leave everything on the same subnet.)

I guess I would have to understand this comment "network is about to colapse" to be able to advise you. What I was trying to demonstrate is that two windows domains or a windows domain and a network controlled by an "Other" operating system will live on the same subnet and is probably the simplest way to share network resources.

[CharlieBrady]

Here comes the niggly part:  Client B's users still need to print to Client A's IP printers (network printers available via IP) and I don't know how to get past that part ...

There's nothing in SME software which requires a network printer to be on the same network as the server. Nor which requires that the printer exclusively processes jobs just for that server. So two servers can use a printer on another network, as long as that printer is accessible via IP.

[mercyh]

You are able to put a router between two different subnets and print, however if that router is not the gateway setup in the IP configuration on the client machine I do not know how you would tell the printer traffic to route through it. I have done it like this in the past.

Wan modem
v
v
Internet gateway router (IP 192.168.1.1 subnet 255.255.255.0)
v
v
switch>>Company A (IP 192.168.1.xxx subnet 255.255.255.0)
v
v
company B's gateway router (trusted IP 192.168.10.1 subnet 255.255.255.0)
v
v
company B network (Ip 192.168.10.xxx subnet 255.255.255.0)

In this situation company B can print to Company A's printers, however Company A is stopped by the NAT firewall from getting to company B.

 

[mercyh]

A simple way to do it would be

Wan modem
V
Company A router (192.168.1.1 subnet 255.255.255.0) Dhcp server ON handing out 192.168.1.1 as the gateway.
v
v
switch>>>>>Company B router (192.168.1.254 subnet 255.255.255.0) Dhcp OFF>>>company B Wan Modem
v
v
>>>>>>>company B network has STATIC ip addresses with 192.168.1.254 as the Gateway
v
v
Company A network obtains Ip addresses from DHCP or has static addresses with gateway of 192.168.1.1