We have a single site with multiple servers and about 25 users. We host our own website/client portal, MS Exchange, Terminal server and VPN for remote workers. My goal is to segregate internet traffic between the servers and workstations. I want the servers using Connection 1 and the workstations using Connection 3 with Connection 2 as a potential backup. My thought is to put multiple subnets on the servers (172.16.1.x and 10.10.1.x) and use a default gateway of 172.16.1.254 which points to Connection 1. The workstations would have the 10.10.1.x subnet assigned to them via DHCP and a default gateway of 10.10.1.254 which would be connected to connection 3.
Connection 1; T1 & Fixed wireless (BGP solution provide by our ISP)
Connection 2; Fixed wireless
Connection 3; Broadband cable
My questions;
(1) am I on the right path or should I be setting this up differently?
(2) What is the best way to add connection 2 so the workstations have redundant internet access? I was thinking a dual wan router might be the answer, suggestions?
Expansion;
We might have a second site in the future that would be used for off-site backup or some sort of replication. Most likely I would want to use Connection 2 with the servers to accomplish this.
We have a Cisco pix 506 that I would like to replace so I'm open to suggestions on new equipment, needs to be commercial grade. I'm open to ISA if it's a fit.
The simpler, the better!
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