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NT-domain via ISDN-Router to a Novell 4

By Crowmoor ·
I administrate a NT-domain with 20 users. One of our customers wants us to be able to log on to their Novell-domain using an ISDN-connection, router to router. We both use TCP/IP and have the same IP-subnet. Neither wants to change IP-adresses. Whatshould I think of and what actions should I take to get this functional. To get the points I need some kind of walkthrough on this. Configuration of the routers can I handle myself as long as I know what to configure them with.

Jesper

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NT-domain via ISDN-Router to a Novell 4

by agibbs In reply to NT-domain via ISDN-Router ...

My only advice would be to separate the two of you; each on your own IP subnet -- especially if you are using a low-bandwidth connection like ISDN. Broadcast traffic across a 64 or 128K ISDN line will eat up your bandwidth in a hurry, even with just a handfull of computers.

But if you're really stuck with using the same IP network, read the email I've sent you . . .

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NT-domain via ISDN-Router to a Novell 4

by Crowmoor In reply to NT-domain via ISDN-Router ...

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NT-domain via ISDN-Router to a Novell 4

by Tomcat-2000 In reply to NT-domain via ISDN-Router ...

Add a firewall server and do NAT (network address translation). This does two things: it gives you only ONE ip address that needs to be valid on the Novell network, but more importatly it secures your network from the NT network and users, allowingonly traffic that YOU see fit to get through. I am a little paranoid when it comes to control, and a firewall gives you that control and security. Cicso PIX Firewall is pricey but painless if you have Cisco routers, Bordermanager is the Novell Firewall that, when using NAT only, does not require licensing for each user (that info straight from Novell), and I'm sure there are others.

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NT-domain via ISDN-Router to a Novell 4

by Crowmoor In reply to NT-domain via ISDN-Router ...

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NT-domain via ISDN-Router to a Novell 4

by rwscc In reply to NT-domain via ISDN-Router ...

If you want real security get your own firewall. Make sure it has at least four interfaces, one for your network, one for the customer's network, one for the internet, and one for DMZ web servers mail servers etc. The customer's network can com in the same interface as the internet (using a different virtual subnet) so his users won't count towards your license. Then you need a local DNS server with entries for his NWIP Domain. There are some more steps but it is a major project.
Now, the fastway is to configure both routers to pass IPX and your router to not bind IP to the LAN side. The customer must bind IPX to the lan on one of his servers and enable RIP/SAP routing and forwarding. You must install IPX and the Novell Client on only the workstations that need access to the customer's servers. This works because NW4.x still used a dressed up version of the IP Tunnel and really uses IPX innternally. If you keep IPX off all sensitive resources they will not be seen on the customer'send.

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NT-domain via ISDN-Router to a Novell 4

by Crowmoor In reply to NT-domain via ISDN-Router ...

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NT-domain via ISDN-Router to a Novell 4

by Crowmoor In reply to NT-domain via ISDN-Router ...

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