Description

The Cisco uBR****2 router has the following features:

•**-inch rack mount, *2.**-inch depth. See "Cisco uBR****2 Router".

•*1.*-inch height, *8 Rack Units (RU)—2 chassis per *-foot rack

•Twelve card slots:

–8 cable interface line cards

–4 network uplink line cards
PRE1 modules support error checking and correction (ECC) for all onboard memory, replacing the simpler parity error algorithm of the original PRE module.

–PRE2 modules are designed to address Internet-service-provider (ISP) requirements. The PRE2 provides 6.2 mpps of processing power and has a ***-MHz RM***0 mips processor with integrated **-KB data and **-KB instruction Level 1 caches integrated ***-KB Level 2 cache, and *-MB Level 3 cache. Cisco IOS Release *2.3(9)BC.

–The PRE4 is the fifth generation Parallel Express Forwarding (PXF) packet processing and scheduling engine for the Cisco uBR****2 router. The PRE4 provides *0 mpps of processing power and has a ***-MHz dual processor with a ***-MB packet buffer and a ***-MB control memory with error-correcting code.