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VPN using cable modems

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by ipete_config

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I have a client that has two offices, miles apart. Both offices have cable modems for internet access. He wants to create a VPN between the two office networks using the cable access. All I find on VPN is how to establish it through dialup. Is itpossible to use through cable? Can I configure this using ATM? Any input or direction would be great.

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by ckilday

Whether your client has cable modems, DSL, T-1, or dialup, that's just a communications medium to get between sites. The work of a VPN takes place on the client side of the cable modem. It's an encrypted tunnel between two network addresses, and this is typically handled by the routers. Check out the capabilities of your client's routers. If they support VPN, you should be able to find information from the mfgr. on how to do it. If their current routers don't support VPN, you can always goto Cisco (www.cisco.com) for an answer. I believe their 1720 model routers are the low-end of their VPN equipment. They have more advanced models (and the prices advance accordingly) depending upon your need. If you're not a Cisco fan, I'm sure there are a number of other vendors who can also supply you with a VPN solution. Best wishes.
- ck

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