20614 Cisco Installing and Maintaining Routers Part 4: 12000 GSR Series and XS5032 Modules
VIP
Versatile Interface Processor. Interface card used in Cisco 7000 and Cisco 7500 series routers. The VIP provides multilayer switching and runs Cisco IOS. The most recent version of the VIP is VIP2.
WAN
wide area network
WCS
writable control store
17
