Cisco ASR1000-ESP40=

Overview

The Cisco ASR1000-ESP40= is an embedded service control processor designed for Cisco ASR 1000 Series routers, delivering up to 40 Gbps of traffic throughput while enforcing policies and security directly in hardware. It leverages the Cisco QuantumFlow Processor architecture to handle Layer 2 and Layer 3 forwarding, MAC classification, and quality of service at line rate without requiring additional router slots or external devices. This makes it a powerful solution for service providers and large enterprises needing high-capacity, secure, and efficient network edge processing.

With support for up to 8,000 IPsec tunnels and 2,000,000 firewall or carrier-grade NAT sessions, the processor excels in environments demanding robust security and scalability. Its compact and energy-efficient design, with typical power consumption of 227 W and a maximum of 267 W, fits well in dense data center racks or controlled telco spaces. The operating temperature range from 41 to 104 °F ensures reliable performance in various standard network environments.

Key features

• Hardware-based policy enforcement that maintains high throughput without sacrificing router slot availability
• Comprehensive security capabilities including access control lists, VPN management, and support for thousands of IPsec tunnels
• Extensive quality of service with 128,000 queues to prioritize latency-sensitive traffic such as voice and video
• Dual-stack support for IPv4 and IPv6 routing, enabling smooth network transitions without policy disruption
• Scalable session handling with up to 2 million firewall or NAT sessions for demanding network loads
• Support for up to 8,000 VRF instances, facilitating multi-tenant and segmented network architectures
• Energy-efficient operation that simplifies power planning in high-density or remote installations
• Robust temperature tolerance suitable for typical data center aisles and regulated telecom environments

Key specs

• Throughput: up to 40 Gbps
• Access control lists: supports up to 4,000 ACLs and 100,000 ACEs
• IPsec tunnels: up to 8,000
• Firewall or NAT sessions: up to 2,000,000
• Quality of service queues: 128,000
• VRF instances: up to 8,000
• Operating temperature range: 41 to 104 °F (5 to 40 °C)
• Power consumption: typical 227 W, maximum 267 W

Connectivity and compatibility

This embedded service control processor integrates seamlessly with Cisco ASR 1000 Series routers, enhancing their capabilities without requiring additional hardware slots. It supports both IPv4 and IPv6 routing protocols, allowing network operators to maintain consistent policy enforcement while transitioning between IP versions. The module’s design supports high-density network environments and is compatible with a wide range of WAN edge and aggregation layer deployments.

Performance and reliability

Built on the Cisco QuantumFlow Processor architecture, the ASR1000-ESP40= delivers consistent line-rate performance for forwarding and security tasks. Its ability to handle millions of sessions and thousands of tunnels ensures that networks remain responsive under heavy loads. The processor’s energy-efficient design and broad operating temperature range contribute to reliable operation in diverse data center and telecom settings, reducing downtime and maintenance needs.

Ideal uses and environments

This processor is well suited for service providers and large enterprises that require high throughput combined with advanced security and policy enforcement. It fits naturally at the WAN edge, in aggregation layers, or behind high-capacity internet uplinks where multiple services are consolidated onto a single router. The support for thousands of VRF instances makes it a strong choice for multi-tenant infrastructures and managed VPN offerings, while its power and thermal characteristics allow deployment in both centralized data centers and remote facilities.

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