The Versatile Interface Processor (VIP) is a new class of Interface Processor for the Cisco 7000 series and Cisco 7500 series. The VIP is a modular, RISC-based, intelligent interface processor that can accept up to two port adapters (PA). Port Adapters provide the media specific interface, while the VIP motherboard provides support for high performance switching and other value-added features.The VIP-1FE/4E version of the VIP contains one Fast Ethernet port and four Ethernet ports.