Cisco ASR5000/ASR5500 System Software 21.1 VzW Only | Carrier Software — ASR5K-02-FSR211=

Keep carrier infrastructure aligned with Cisco ASR5000 and ASR5500 System Software, Release 21.1, VZW Only. This software-services release is intended for Verizon Wireless use, giving operations teams a defined software target for supported ASR5000 and ASR5500 environments. That matters when release control, carrier qualification, and platform consistency are part of the operating model. For service providers, the value is precision. A release-specific software package reduces uncertainty during planning, maintenance, and lifecycle management. It helps teams stay on a known software baseline, which is essential when network behavior, compatibility, and support boundaries must remain tightly managed. Cisco’s ASR platform software is built for demanding carrier environments where uptime and operational discipline are non-negotiable. Release 21.1 provides a clear anchor for Verizon Wireless deployments that need to stay aligned to approved software. For procurement teams, the VZW-only designation also simplifies sourcing by making the intended use case explicit. For engineering teams, it supports a cleaner path to standardized operations across the installed base. Ideal For Verizon Wireless ASR platform software standardization Carrier release management for ASR5000 and ASR5500 systems Controlled software sourcing for approved VZW environments Lifecycle planning for service provider network operations Why This Product 1 Carrier-specific entitlement is narrower than general-purpose ASR software 2 Release 21.1 gives operations a fixed baseline for planning 3 VZW-only scope supports approved Verizon Wireless environments 4 ASR5000 and ASR5500 compatibility covers both platform families