Description
The Cisco ASR-9901-120G is a compact, high-performance aggregation router designed for service providers and large enterprise networks seeking scalability and reliability in a space-efficient form factor. Built on the powerful Cisco ASR 9000 Series architecture, it supports up to 120 Gbps of system bandwidth, making it ideal for edge routing and high-density service aggregation. This 2RU router features dual redundant power supplies, modular fan trays, and advanced airflow design to ensure optimal cooling and uptime in demanding environments. Its rugged construction and front-to-back airflow make it suitable for deployment in data centers and telecom facilities with strict space and cooling requirements.
Equipped with integrated line card capabilities, the ASR-9901-120G supports a mix of 1GE, 10GE, 40GE, and 100GE interfaces through modular port adapters, providing flexibility for evolving network demands. It runs on Cisco’s IOS XR operating system, offering advanced features such as MPLS, Segment Routing, and comprehensive QoS for traffic engineering and service differentiation. The router includes built-in Route Switch Processor (RSP) functionality, eliminating the need for separate control and line cards, which simplifies maintenance and reduces operational costs. When purchasing used, buyers should verify the presence of key components like power supplies, fan modules, and port adapters to ensure full functionality and compatibility with existing infrastructure.