Symptoms
IPSEC GUI doesn't support phase1 encrypt alg aes192 or aes256, that is, those encryption algorithms are not available for selection in the GUI.
Impact
IPSEC GUI doesn't support phase1 encrypt alg aes192 or aes256, that is, those encryption algorithms are not available for selection in the GUI.
Workaround
Configuration is possible using tmsh.
Fix Information
IPSEC GUI now supports phase1 encrypt alg aes192 or aes256