The reason for the session termination. When set to
linkDown(1), the ifindex has no link. When set to
logoff(2), a user has successfully logged off the
network on this ifindex. When set to
authControlForceUnauth(3) an administrator has
terminated the user session on this ifindex by setting
etsysPwaControlledPortControl to forceUnauthorized(1).
When set to portReInit(4) the ifindex has been
re-initialized by setting the object etsysPwaInitializePort.
When set to portDisabled(5) the ifindex has been disabled.
When set notTerminatedYet(999) the ifindex has an active
session.