Hi Tony,
You can install AnyConnect 3.1 on ASA running 8.2 or 8.3. However, you must consider the following:
Important AnyConnect 3.1 and ASA 9.0 Interoperability Considerations
The following AnyConnect features require ASA 9.0 or later, or ASDM 7.0 or later, to be installed on your ASA for them to be effective:
•IPv6 Support for AnyConnect VPN Features
•Next Generation Encryption as it applies to VPN
•Deferred Upgrades
Adaptive Security Appliance Requirements
•You must upgrade to ASA 9.0 if you want to use the following features:
–IPv6 support
–Cisco Next Generation Encryption "Suite-B" security
–AnyConnect client deferred upgrades
•You must use ASA 8.4(1) or later if you want to do the following:
–Use IKEv2.
–Use the ASDM to edit non-VPN client profiles (such as Network Access Manager, Web Security, or Telemetry).
–Use the services supported by a Cisco IronPort Web Security Appliance license. These services let you enforce acceptable use policies and protect endpoints from websites found to be unsafe, by granting or denying all HTTP and HTTPS requests.
–Deploy firewall rules. If you deploy always-on VPN, you might want to enable split tunneling and configure firewall rules to restrict network access to local printing and tethered mobile devices.
–Configure dynamic access policies or group policies to exempt qualified VPN users from an always-on VPN deployment.
–Configure dynamic access policies to display a message on the AnyConnect GUI when an AnyConnect session is in quarantine.
More info here
Hope to help.
Portu.
Please rate any helpful posts
