The VIP2-50 is the newest and fastest second-generation Versatile Interface Processor (VIP2) available on Cisco 7500 series routers that use the Route Switch Processor (RSP), and on Cisco 7000 series routers with the 7000 Series Route Switch Processor (RSP7000). The VIP2-50 provides significantly greater packet and program memory space and increased distributed switching performance.The VIP2-50 uses a single motherboard with up to two port adapters. The VIP2-50 port adapters provide the individual LAN, WAN, or LAN/WAN interface ports. The VIP2-50 is designed to support high-speed port adapters. The CPU on the VIP2-50 is an R5000 and has an internal operating frequency of 200 MHz. The VIP2-50 supports 4 to 8 MB of SRAM and 32 to 64 MB of DRAM. Any combination of SRAM and DRAM can be used on the VIP2-50 to meet your needs. The VIP2-50 firmware (microcode), which contains card-specific software instructions, resides in a PROM device. A dual in-line memory module (DIMM) contains the DRAM, and a daughter card contains the SRAM.