Re: Help with a plan for an Intranet

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Posted by Paul Tarplee on August 23, 2000 at 4:38:14:

Each site is fairly small, so I would do the following;

A Class C 'private' subnet for each site (Site1=192.168.1.x, Site2=192.168.2.x etc)
Move to a totally IP network. IPX is not required for Unix or NT, so keep things simple (and routable). Use a 10/100 switch at each site to connect all the PC's to the servers at 100MB/second.

To connect the sites together, there are 2 possibilities;

1) Rent a DDS or Frame Relay leased line from each site into the central Syndey site. Each site could use a low cost Cisco 1601 router (or 1603 if you want ISDN backup.

2) Install a dedicated Internet connection to each site at 64K and at least 128K at the Central site. Connect the 10/100 switch at each site to a firewall that supports VPN's such as the Firebox from Watchguard (see www.firewalls.com.au). Each site will still need a Router (EG Cisco 1601) which can be provided by the Internet ISP. The firewall will hide the private subnet at each site behind a small valid subnet provided by the ISP. The ISP will need to give you a subnet with at least 2 fixed addresses at each site.

If you haven't set up VPN's before, it would probably be easier to ask the firewall supplier to do it for you.

Paul Tarplee
International IT Manager
Bulmers

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