1) Versatile Interface Processor Interface card used in Cisco 7000 and Cisco 7500 series routers. The VIP provides multilayer switching and runs the Cisco IOS software. See also Cisco 7000 and Cisco 7500. 2) Virtual IP Function that enables the creation of logically separated switched IP workgroups across the switch ports of a Catalyst 5000 that runs the Virtual Networking Services software. See also Virtual Networking Services.