We recently got a T1 and VoIP from a big national company everybody's heard of. We also use this "dynamic" T1 for internet access.
In the "telephone wiring room" on the first floor of our building is a Cisco IAD 2430 Business Class Integrated Access Device. A CAT6 cable runs out of it up into a Linksys RV042 router/firewall.
The Cisco 2430 is not doing any filtering I am aware of. It blocks no ports or anything. All of that is done at the Linksys RV042. I've been thinking of replacing the Linksys with a WatchGuard device, but want to explore how this Cisco product fits into the mix before I buy any other hardware.
Question: should I manage inbound (and possibly outbound) using the Cisco? Get rid of the Linksys? I have talked to my service provider's tech/maintenance people who say it is okay with them. I would not presume to mess with this without competent, professional help by somebody who knows CISCO.
It seems to me a shame to not use the Cisco to its full potential.
What are the pros and cons to this? What other roles, if any, can the Cisco play in my organization in terms of security? Is this model related to what I hear called Cisco "PIX"?
http://www.cisco.com/en/US/prod/collateral/voicesw/ps6790/gatecont/ps887/ps5321/product_data_sheet09186a008019aded.html(I hope this will stimulate some good discussion among you and I plan to dole out the points fairly evenly between up to two or three of you experts if each can provide their own unique perspectives.)
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