I purchased a used Cisco Pix 515e last year. It is currently running version 6.3 and I need to upgrade the software due to new VoIP phones we just had installed and also to have better performance on our VPN client. Does anyone have any suggestions for how I can get the newest version of the software for the Pix 515e?
also, does adding a VAC card the pix really improve the VPN performance as it claims? thank you,