Cisco ASR

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The Cisco Aggregation Services Router (ASR) series of routers are modular routers produced by Cisco Systems. The highest end of the lineup, the ASR 9000 series, is intended for service provider (SP) core networks.

Contents

History

Networking equipment was traditionally categorized by functionality as being either a switch or a router. Switches bridged (transmitted) L2/Ethernet traffic, and a router forwarded (transmitted and routed) L3/IP traffic. As products became more sophisticated, the distinction between a switch and a router became blurred as high-end switches began to route traffic in addition to bridging, and likewise routers began to perform L2 switching. At the same time, the enterprise market was diverging from the service provider market. Though still maintaining the terms switch and router in their product names, Cisco divided their high-end networking products by market. However, many enterprise customers chose equipment Cisco categorized under the banner of being intended for service providers, and vice versa.

Prior to the ASR 9000 series, Cisco's high-end SP product portfolio consisted of the CRS-1, the GSR, and the 7600 (and the 6500). The ASR 9000 series devices are the successor to both the GSR and the 7600. When the CRS-1 is deployed in a large network at the core, the ASR 9000 complements it on the edge; both run IOS-XR. In 2011, Cisco announced capacity upgrades and support of network Virtualization (nV) capabilities [1] for the ASR 9000. In 2011, the ASR 9000 was awarded "Best Carrier Ethernet Aggregation Product" at the Carrier Ethernet World Congress. [2]

Models

ASR 900 series

The ASR 900 series is a chassis-based modular router that runs the Cisco IOS XE Linux-based operating system. [3]

ASR 920 series

The ASR 920 series is a chassis-based modular router running Cisco IOS XE. [4]

ASR 1000 series

The ASR 1000 series is chassis-based modular router running Cisco IOS XE. [5]

ASR 9000 series

Cisco ASR 9000 series routers are routers designed for the service provider market. It runs the IOS XR Linux-based operating system. [6]

Its major characteristics are:

IOS XR release support

DateReleaseDetails
20083.7.2Initial release of ASR 9000
20093.7.3
20093.9.0
20103.9.1
20104.0.0
20114.0.1
20114.1.0
20114.1.1

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References

  1. "Cisco introduces Superior Network Capacity and a Simpler way to build the Next-Generation Internet". Cisco Systems.
  2. "Carrier Ethernet World Congress – Best Carrier Ethernet Aggregation Product". Cisco Systems.
  3. "Cisco IOS XE Software for Cisco ASR 900 Series Aggregation Services Routers Data Sheet". Cisco. Retrieved 2022-01-25.
  4. "Cisco IOS XE Software for Cisco ASR 920 Series Aggregation Services Routers Data Sheet". Cisco. Retrieved 2022-01-25.
  5. "Cisco ASR 1000 Series Aggregation Services Routers Data Sheet". Cisco. Retrieved 2022-01-25.
  6. "Cisco ASR 9000 Aggregation Services Router". Cisco Systems.