(Cisco Private Internet EXchange) A family of network firewalls from Cisco. The stand-alone devices were superseded by Cisco's ASA line, but also incorporated into Cisco's switches and routers. See Cisco ASA and Cisco FWSM.
"Cisco PIX." YourDictionary, n.d. Web. 21 May 2018. <http://www.yourdictionary.com/cisco-pix>.
Cisco PIX. (n.d.). Retrieved May 21st, 2018, from http://www.yourdictionary.com/cisco-pix