Description:

The Cisco ASR1004-20G/K9 Aggregation Services Router is a high-performance enterprise and service provider router designed to deliver scalable Layer 2 and Layer 3 routing for large network infrastructures. It incorporates the ASR1000-ESP20 embedded services processor, dual AC power supplies, and an RP2 route processor with 16GB memory to support high-speed data processing and advanced network services. Commonly installed in enterprise data centers, service provider edge networks, and large campus infrastructures, this router enables secure and efficient traffic aggregation and routing across distributed network environments. Network engineers, IT administrators, and system integrators use this router for network backbone deployment, infrastructure upgrades, and replacement of legacy high-capacity routing platforms.

Applications:

The Cisco ASR1004-20G/K9 router is used in enterprise and service provider network environments requiring high-throughput routing and reliable network aggregation. It supports routing between WAN connections, data centers, and distributed enterprise networks while handling large volumes of data traffic. Typical deployments include telecom aggregation networks, enterprise WAN edge routing, internet gateway routing, and large campus network infrastructures where scalable routing performance and advanced network services are required.

Technical Specifications:

• Manufacturer Part Number (MPN): ASR1004-20G/K9
• Product Type: Aggregation Services Router
• Series: Cisco ASR 1000 Series
• Embedded Services Processor: ASR1000-ESP20 (20 Gbps throughput)
• Route Processor: RP2 with 16 GB Memory
• Interface Processor: 1 x SIP-40 Shared Port Adapter Interface Processor
• Routing Support: Layer 2 and Layer 3 Routing
• Network Operating System: Cisco IOS XE
• VPN Support: IPsec VPN and SSL VPN
• Security Features: Integrated Firewall, Network Address Translation (NAT), Access Control Lists (ACL)
• Power Supply: Dual AC Power Supplies
• Management Interfaces: CLI, SNMP, Web Interface
• Mounting Type: Rack Mountable
• Operating Temperature: 0°C to 40°C

Common Replacements:

• Cisco ASR1006-X Aggregation Services Router
• Cisco ASR1002-HX Aggregation Services Router
• Cisco C8500-20X6C Enterprise Edge Router