Most probably, the VPN client can't be used on a Mac because it is not available anymore. There is no application page on Cisco website. At this time, I can say that the product is discontinued.
Facilitates a VPN configuration easy for users and supports VPN schemas as PPTP.
TheGreenBow IPSec VPN Client software is an on demand providing remote access.
It is designed for the connection of laptop and home-based workstations.
Most probably, the VPN client can't be used on a Mac because it is not available anymore. There is no application page on Cisco website. At this time, I can say that the product is discontinued.