I am not sure if this is possible, and if it is, I am then not sure how this would be accomplished:
We will have 3 separate WAN connections provided by 3 separate ISP's coming into our office. How may I set it up so that all three are firewalled using one ASA 5510? I was told in passing that I could "just run them all through an edge router" then run that into the firewall, but upon further research, most routers are set to accept 1 WAN feed. Is it possible to put a standard router outside of the firewall to combine the connections? If so, what are the perils involved?
We currently have 2 WAN connections with a small Watchguard appliance on each. It would be nice to have one firewall appliance (the ASA 5510) and one edge router appliance (re-commission one of the Watchguards or another small router) to handle the whole situation.
Obviously I am not a network administrator, but rather the "computer guy"...so naturally I am expected to wave my standard-issue magic "computer guy" wand and make it happen...that or press the "Any" key. So please forgive my lack of knowledge on the subject.