The Cisco® ASR 1000 Series Route Processors address the route-processing requirements of carrier-grade IP and Multiprotocol Label Switching (MPLS) packet infrastructures. Not only do they provide advanced routing capabilities, but they also monitor and manage the other components in the Cisco ASR 1000 Series Aggregation Services Router. The first-generation Cisco ASR 1000 Series Route Processor 1 (part number ASR1000-RP1) and the second-generation Cisco ASR 1000 Series Route Processor 2 (part number ASR1000-RP2) (see Figure 1) offer the following embedded features:
– Integrate full range of industry-leading Cisco IOS® Software features and services
– Run with the modular Cisco IOS XE Software for the Cisco ASR 1000 Series
– Provide optional redundant-processor support and dual Cisco IOS Software support for single route-processor solutions for the industry’s most compact, fully redundant, high-availability solution, improving network resiliency, management, and costs
– Provide a hard disk drive (HDD) for code storage, boot, configuration, logs, and so on
– Provide USB port for 1-GB Compact Flash memory support
– Offer built-in eUSB memory support (1GB on ASR1000-RP1; 8 GB on the built-in RP1 on the Cisco ASR 1002 Router (partitioned: 1 GB for bootflash; 7 GB for mass storage)
– Offer field-replaceable and hot-swappable capabilities to help ensure minimal service disruption
– Offer Stratum-3 clock circuitry, BITS input and output (BITS output available on ASR1000-RP2 only)
– Offer memory scalability up to 4 GB DRAM on the ASR1000-RP1 and 16GB DRAM on the ASR1000-RP2
Because of the advanced capabilities in the Cisco ASR 1000 Series Route Processors many additional features are performed in line with routing, including:
– Building and distributing forwarding information to the Cisco ASR 1000 Series Embedded Services Processor (ESP)
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– Implementing Cisco unified Border Element (SP Edition) ( formerly called Session Border Controller or SBC) call setup and teardown and applying per-session policies for voice and video streams
– Offering a portal for stateful firewall policy configuration and distribution to the ESP forwarding engine
– Negotiating and maintaining IP Security (IPsec1) authentication, encryption methods, and encryption keys (Internet Key Exchange [IKE])
As the management processor for the Cisco ASR 1000 Series Router, the Cisco ASR 1000 Series Route Processors automatically perform the following system management functions:
– Loads the operating system software system images to all installed line cards upon powering up or through operator commands
– Synchronizes the dynamic state conditions for the redundant Cisco IOS XE Software, the route processor, and embedded services processor components
– Performs high-availability failover for redundant solutions
– Provides out-of-band system console and auxiliary ports, USB, and Ethernet ports for router configuration and maintenance
– Allows direct system access through the operating-system kernel if catastrophic Cisco IOS Software failure occurs
– Monitors and manages the power and temperature of system components such as line cards, power supplies, and fans.
High Availability
The Cisco ASR 1000 Series consists of four different routers: the Cisco ASR 1002-Fixed Router, the Cisco ASR 1002 router, the Cisco ASR 1004 router, and the Cisco ASR 1006 router, which use an innovative and powerful processor: the Cisco QuantumFlow Processor.
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