This object contains the operational state of the Real server.
The state of the Real server will be deemed 'up' when the row
is 'active', the etsysLsnatRealServerAdminStatus is 'enabled'
and a positive response is received from the configured fail
detect request.
- `up', indicates the Real server is operationally ready.
- `down', indicates the Real server is operationally
unavailable.