K tomu ciscu
http://www.cisco.com/en/US/products/ps9953/index.html
Mea culpa: https://supportforums.cisco.com/docs/DOC-32402
Q: When is the End of Sale date for ProtectLink licenses?
A: Cisco will stop selling ProtectLink on July 31, 2013. (Termination Date) Some Cisco resellers may have licenses in stock and continue to sell beyond the July 31, 2013 date, though.
Q: For existing subscribers, when will the service end?
A: The service will turn-off on July 31, 2014. (End-of-Support Date)