It is safe to upgrade to this version if you are currently running 15.7 or earlier 15.8 maintenance releases. However, if you are planning a network refresh for a modern workforce requiring high-speed encrypted throughput (300Mbps+), this software cannot compensate for the aging hardware, and a migration to the ISR 1000 or 4000 series is advised. Dumpper 912 Jumpstart Winpcap Exclusive Now