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DATA SHEET
CISCO XR 12000 AND 12000 SERIES PERFORMANCE
ROUTE PROCESSOR-2
ROUTE PROCESSOR-2
The Cisco
®
XR 12000 and 12000 Series Performance Route Processor-2 (PRP-2) is the next-generation route processor for
all
Cisco XR 12000 and 12000 series routers. The Cisco PRP-2 offers up to 100-percent performance improvement on most
system tasks, up to 4 GB of memory, a Gigabit Ethernet management port, and a hard drive option. The Cisco PRP-2 delivers
the scalability needed for service and network convergence. It also provides a Building Integrated Timing Supply (BITS)
interface, a component of the Cisco XR 12000 and Cisco 12000 series BITS architecture that will enable network service
synchronization on the platform in the future.
PRODUCT OVERVIEW
The Cisco PRP-2 (Figure 1) is the next-generation route processor for the Cisco XR 12000 and 12000 series routers, addressing the unique route
processing requirements of carrier-grade IP and Multiprotocol Label Switching (MPLS) packet infrastructures. It is responsible for the following
functions:
•
Executing routing protocol stacks
•
Performing all protocol communications with other routers
•
Building and distributing forwarding information to all line cards
•
Uploading the operating system software system images to all installed line cards upon powering up
•
Providing out-of-band system console and auxiliary ports and an Ethernet port for router configuration and maintenance
•
Monitoring and managing the power and temperature of system components such as line cards, power supplies, and fans
Figure 1. Cisco XR 12000 and 12000 Series PRP-2
The Cisco PRP-2 delivers all these functions with enhanced performance and capabilities. It also delivers the following feature enhancements
(depending on the software version running):
•
Gigabit Ethernet management port
•
Hard-drive support (optional part)
•
BITS input ports
•
1 GB compact image Flash memory support (optional part)
•
Memory scalability up to 4 GB