ASR1004 Router Chassis w/ dual power supply

Cisco ASR1004 - Aggregation Services Router

The Cisco ASR1004 is a modular 4RU router in the ASR 1000 Series, designed for enterprises and service providers that need scalable WAN edge performance with high interface density. It supports multiple route processors and embedded services processors, making it a cost-effective yet powerful platform for aggregation, VPN, and secure edge services.

🔧 Key Specifications

• Throughput: Up to 40 Gbps
• Form Factor: 4RU rack-mountable chassis
• Processor: Cisco Quantum Flow Processor (QFP) architecture for scalable service performance
• SIPs or Ethernet line card Slots: Up to 2 for modular interface expansion
• Route Processor Slots: 1 slot for Cisco ASR 1000 Series Route Processor
• Embedded Services Processor Slots: 1 slot for ESP (Embedded Services Processor)
• Interfaces: Determined by installed SPAs (Ethernet, channelized, ATM, POS, etc.)
• Redundancy: Software redundancy supported; hardware redundancy limited compared to larger ASR chassis
• Operating System: Cisco IOS XE
• Power Supply: Dual redundant AC or DC options
• Cooling: Front-to-back airflow

🧩 Ideal Use Cases

• Enterprise WAN edge aggregation
• Service provider broadband aggregation
• Secure VPN and MPLS edge services
• Environments requiring flexible interface density with moderate throughput

⚙️ Licensing & Expansion

• Runs Cisco IOS XE with feature licensing for advanced services (MPLS, security, application visibility).
• SPA slots allow flexible interface expansion to meet evolving connectivity needs.
• Throughput scalability is tied to the Embedded Services Processor (ESP) installed.