Designed specifically to support VPN's, the Cisco 7100 series offers a variety of configuration options to fit a wide variety of needs.  Eaily added options allow you to configure the 7100 series as you need it.

Models:

7202 - 2 expansion slots and 100MHz processor

7204 - 4 expanion slots and 100, 150 or 200MHz processor

7206 - 6 expansion slots and 100, 150 or 200MHz processor