Check manual page of saprouter_cert
SAP router certificate: validity age
This check monitors validity age of a user's certificate of a SAP router.
Lower default levels are set to 30 days, one week. If the age of the
certificate comes below these levels than the check goes WARN or CRIT.
If not it is OK.
Otherwise if there's no or a broken PSE file or the credentials are false than
the check goes UNKNOWN and diplays the related error message.
One service is created.