| Product Type | Virtual Embedded Services Router (ESR) software license |
| Platform Compatibility | x86 platforms (virtualized or embedded systems) |
| License Level | Level 3 |
| Maximum Throughput | 50 Mbps |
| Software Delivery | Electronic PAK (Product Authorization Key) |
| Scalability | Supports scalable deployment in virtual environments |
| Routing Type | Software-based Layer 3 routing |
| Deployment Model | Software-only deployment, ideal for virtual/mobility scenarios |
Cisco 5921 ESR X86 Level 3 Electronic PAK, 50 Mbps

Key Benefits
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- Enables high-performance virtual routing with up to 50 Mbps throughput for demanding applications
- TAA compliance ensures suitability for public sector and federally regulated installations
- Software-based deployment reduces hardware costs and enhances network flexibility
Product Overview
The Cisco 5921 ESR X86 Level 3 Electronic PAK enables software-based routing for x86 platforms with support for up to 50 Mbps throughput. It delivers advanced routing protocols under Level 3 licensing and is TAA-compliant, aligning with U.S. government procurement standards. This solution offers a cost-efficient, scalable deployment model ideal for virtual and mobile networking environments.
Specifications
Product Overview
Cloud Management & Licensing
| Licensing Type | Right-To-Use (RTU) license |
| License Delivery | Electronic (e-Delivery PAK) |
| Management Interface | Cisco IOS CLI, SNMP, Cisco Prime Infrastructure (via integrations) |
| License Features Included | Advanced routing protocols, VRF support, QoS |
| Perpetual License | Yes |
Compliance & Origin
| TAA Compliant | Yes |
| Country of Origin | United States |
| Regulatory Compliance | Complies with applicable U.S. Government Procurement Rules |
Wireless Features
| Wireless Capability | Not applicable (software routing only) |
Interfaces
| Supported Routing Protocols | OSPF, EIGRP, BGP, RIP, IS-IS |
| Supported Tunneling Protocols | GRE, IPsec, L2TPv3 |
| Traffic Shaping Support | Yes, via QoS mechanisms |
| Number of Virtual Interfaces Supported | Varies with platform and configuration |
Advanced Security Features
| IPsec VPN Support | Yes (Platform-dependent) |
| Access Control Lists (ACL) | Yes |
| Zone-Based Firewall Support | Yes (if platform supports) |
| NAT (Network Address Translation) | Supported |
| Authentication Support | AAA, RADIUS, TACACS+ |
Physical & Environmental
| Form Factor | Virtual Software (no physical form factor) |
| Installation Platform | Compatible with general-purpose x86 platforms |
| System Requirements | Depends on underlying hardware platform and throughput requirements |
| Operating System Compatibility | Requires Cisco IOS environment on supported hardware |
| Virtualization Compatibility | Works with VMware, KVM, and other hypervisors (platform-dependent) |