IPv6 currently is currently supported from Firmware version 10.7.x
IPv6 Support for external client end point devices. Aventail E-class SRA version 10.7.0 introduces the first phase of IPv6 support. This first phase provides the ability to authenticate a client with IPv6 internet connectivity and allow the client to interact with resources through the Aventail. ? AMC IP address fields for External Interface have been updated to accommodate IPv6 addresses ? ESP Tunnel has also been updated to accommodate IPv6 addresses. In addition to IPv4 addresses, network address translator (NAT) now allows multiple private network addresses to share a single, public IPv6 address. ? Connect Tunnel with IPv6 for Mobile Connect, Mac OS X, and Linux is supported.
Note: This article would be updated with future enhancements, please refer 10.7.0 Release Notes for feature introduction.