| Product Type | Software License |
| Product Name | Cisco 5921 ESR X86 Level 4 |
| Application | Virtual and Embedded Software Routing |
| Throughput | Up to 100 Mbps |
| Form Factor | Virtual (x86 Platforms) |
| Product Format | Electronic PAK (Product Authorization Key) |
| License Level | Level 4 |
| License Type | Right-to-Use (RTU) |
| Environment Compatibility | VMware, Linux-based x86 Virtual Environments |
| Recommended Use | Software-based Routing for Government and Enterprise Networks |
| Digital Delivery | Yes |
| Maximum Bandwidth | 100 Mbps |
Cisco 5921 ESR X86 Level 4 Software License - 100 Mbps

Key Benefits
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- Supports up to 100 Mbps throughput in software-defined networks, ideal for scalable performance.
- Complies with TAA, positioning it for use in federal and regulated industry environments.
- Delivered as an electronic license, enabling faster provisioning and reducing deployment time.
Product Overview
The Cisco Electronic PAK for 5921 ESR X86 Level 4 enables software-based network routing with up to 100 Mbps throughput. Designed for virtual and embedded applications, this license supports TAA compliance and comes in a digital PAK format for rapid activation. Ideal for government and enterprise networks, it eliminates hardware dependencies while delivering feature-rich routing capabilities.
Specifications
Product Overview
Cloud Management & Licensing
| License Provisioning | Cisco Electronic Product Authorization Key (PAK) |
| Management Interface | Cisco IOS Command-Line Interface (CLI) |
| License Tier | Level 4 Routing Functions |
| Management Methods | Local CLI, Remote SSH |
| License Activation Method | Online Cisco License Portal |
| License Duration | Perpetual |
Advanced Security Features
| Integrated Firewall Support | Yes (Cisco IOS Firewall Features) |
| VPN Support | Yes (IPSec, DMVPN, SSL VPN) |
| Routing Protocols | OSPF, BGP, EIGRP, RIP |
| Cisco Zone-Based Firewall | Supported |
| Content Filtering | Optional with Cisco IOS Security Package |
| Intrusion Detection/Prevention | Optional with Cisco Modules |
| Access Control Features | Standard and Extended ACLs |
Interfaces
| Supported Interfaces | Virtual Network Interfaces |
| Interface Architecture | Integrates with standard NICs in virtual environments |
Compliance & Origin
| Country of Origin | UNITED STATES |
| TAA Compliant | Yes |
| RoHS Compliance | Yes |
| Certifications | Cisco Certified Software Product |
Physical & Environmental
| Operating System Compatibility | Linux, VMware ESXi |
| Hardware Requirement | x86-compatible CPU and RAM (depends on virtual footprint) |
| Deployment Type | Software-only, runs within a virtual machine |