Technical Guide: ASR-9901-256G


Compact high-capacity Provider Edge router delivering 456 Gbps in 2RU form factor.



Detailed Specifications


456 Gbps nonblocking fabric capacity

456 Gbps nonblocking fabric capacity


256 GB Memory

256 GB Memory


42 integrated ports (1/10/100GE)

42 integrated ports (1/10/100GE)


Dual redundant power supplies

Dual redundant power supplies


GPS input for stratum-1 clocking

GPS input for stratum-1 clocking


2 line card expansion slots

2 line card expansion slots


Cisco IOS XR Software

Cisco IOS XR Software



Key Features



  • ✓ 456 Gbps in compact 2RU

  • ✓ 256GB memory for large routing tables

  • ✓ 42 integrated multi-speed ports

  • ✓ Integrated Route Switch Processor

  • ✓ GPS timing support

  • ✓ Dual redundant PSUs

  • ✓ Same IOS XR across ASR 9000 family



Deployment Scenarios


Provider Edge

Carrier-class routing


Enterprise Core Routing

High-capacity core


High-capacity Aggregation

456 Gbps capacity


Network Consolidation

Single 2RU platform



Warranty & Support



  • 1-Year Advance Replacement (RMA)

  • 3-Year Free Repair Service

  • Free pre-sales consultation

  • Remote troubleshooting support

  • CCIE-certified engineering assistance



Global Logistics


Shipping to 85+ countries with premium packaging:



  • Same-day dispatch for in-stock items

  • FedEx / DHL / UPS tracking

  • Anti-static protective packaging



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