HP-UX IPSec version A.02.00 Administrator's Guide

HP-UX IPSec and HP-UX Mobile IPv6
Step 2: (Recommended) Securing Return Routability Messages Routed Through the Home Agent
Chapter 7 219
-action
transform_name The transform_name must be an
authenticated ESP transform with a non-null authentication method,
according to the Mobile IPv6 protocol specification. For example,
ESP_AES128_HMAC_SHA1. The transform cannot be a nested transform.
-in and -out
manual_key_sa_specification The “-in and -out
manual_key_sa_specification” on page 212 defines the format for
manual_key_sa_specification .