VPN overview

[moament]

Hi,

I need documntation give me agood overview about the VPN

[umedryk]

For basic understanding of VPNs, read these documents :

http://www.cisco.com/univercd/cc/td/doc/cisintwk/ito_doc/vpn.htm AND

http://www.cisco.com/en/US/tech/tk583/tk372/technologies_tech_note09186a0080094865.shtml

For advanced topics, you can select the one of the links in this page :

http://www.cisco.com/pcgi-bin/Support/browse/psp_view.pl?p=Technologies:IPSec&s=Implementation_and_Configuration