according this document
http://www.cisco.com/en/US/products/sw/secursw/ps5299/index.html
Cisco Easy VPN Remote is now available on Cisco 800, 1700, 1800, 2800, 3800, and UBR900 Series routers, Cisco PIX 501 and 506E security appliances, and Cisco VPN 3002 Hardware Clients. The Cisco Easy VPN Server is available on numerous Cisco VPN routers including the Cisco 800, 1700, 1800, 2800, 3800, and 7200 Series routers, Cisco 7301, Cisco PIX security appliances, and all Cisco VPN 3000 Concentrators
Regarding Cisco VPN Server - Client configuration try this document
http://www.cisco.com/application/pdf/en/us/guest/products/ps6659/c1650/cdccont_0900aecd80313bdf.pdf
M.
Hope that helps, rate if it does