SEATTLE--(BUSINESS WIRE)--For the second quarter of fiscal 2015, F5 Networks, Inc. (NASDAQ:FFIV) announced revenue of $472.1 million, up 2 percent from $462.8 million in the prior quarter and 12 percent from $420.0 million in the second quarter of fiscal 2014. GAAP net income was $85.7 million ($1.18 per diluted share), compared to $89.1 million ($1.21 per diluted share) in the prior quarter and $69.6 million ($0.91 per diluted share) in the second quarter a year ago. Excluding the impact of st