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Cisco CRS-DRP-B : Cisco CRS-1 Series Distributed Route Processor

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Product Specifications

Mfg Cisco
Model CRS-DRP-B
Form Module
Weight 14.3 lbs
Dims 18.60 x 1.78 x 20.60 in.

Product Line(s)

The Cisco CRS-1 Distributed Route Processor (DRP) brings a new level of control plane scaling and processing flexibility to service provider networks. Breaking through the limitation of a single control plane processor per routing system, this solution allows you to add multiple Cisco CRS-1 DRPs to a single CRS-1 system to increase control plane processing power, supporting more services and enhancing reliability. The Cisco CRS-1 DRP takes advantage of Cisco IOS XR Software capability and delivers distributed control plane scaling for applications such as Border Gateway Protocol Version 4 (BGPv4), Label Distribution Protocol (LDP), Protocol Independent Multicast (PIM), and Internet Group Management Protocol (IGMP). This solution allows you to distribute these application processes to specific DRPs across a Cisco CRS-1 Multishelf System - for instance, you can dedicate one or more DRPs to PIM and IGMP for maximum performance in an IPTV service application.
The Cisco CRS-1 DRP is also a prominent part of the Cisco Service Separation Architecture (SSA), which allows service providers to secure virtual public and private services across the same platform through multiple secure domain routers (SDRs), logical routing domains that achieve complete separation of network and system resources on a single CRS-1 system.
The Cisco CRS-1 Distributed Router Processor (CRS-DRP-B) fits into a forwarding slot of the CRS-1 chassis. It consists of two modules, the CRS-DRP-B-CPU board that hosts the two dual processor SMP complexes and the CRS-DRP-PLIM board that hosts the access to management, auxiliary and console ports and accessories such as the hard drive. Both modules are required for DRP operation and are shown Figure 1.
The Cisco CRS-1 Distributed Route Processor is comprised of two independent CPU instances. Each CPU instance has its own memory, hard drive, and management interfaces. To maintain service separation, there is no internal connectivity between these two CPU complexes. The CPU instances can communicate with each other through the fabric, as they would with any other line card, route processor, or DRP located in the CRS-1 system.

Product Datasheet(s)