Quote from cisoc.com on anyconnect:
It does not connect with a PIX device nor with a VPN 3000 Series Concentrator.Quote from vpnc official site:
vpnc is supposed to work with:
- Cisco VPN concentrator 3000 Series
- Cisco IOS routers
- Cisco PIX / ASA Zecurity Appliances
So i learnt that i should not use vpnc as cisco anyconnect replacement. The alternative would be:
Quote from openconnect:
OpenConnect is a client for Cisco's AnyConnect SSL VPN, .....
I tried openconnect and it works great.
The best part is, it works without or minimal configuration , especially i didn't import any certificate. I have been using it for more than a month and it works flawlessly.