The Anyconnect has this feature:Auto Reconnect—AnyConnect attempts to reestablish a VPN connection if you lose connectivity (enabled by default). If you disable Auto Reconnect, it does not attempt to reconnect, regardless of the cause of the disco...
That is possible, you just need to configure it on the Base Group of the 3000 with static ip and on the remote 3K or router configure the tunnel as a normal L2L.Please check this e-mail:http://www.cisco.com/en/US/products/hw/vpndevc/ps2284/products_c...