Asr1000-rommon.173-1r.spa.pkg __exclusive__ Guide

ROMMON updates do not take effect until a reload . You must reboot the router for the new firmware to load.

The 17.3(1r) release is a major milestone for the ASR 1000 series, often required for compatibility with modern Cisco IOS XE 17.x software branches A critical characteristic of this version is its irreversibility asr1000-rommon.173-1r.spa.pkg

For dual RP systems:

The jump to 173-1r was not minor. Previous ROMMON versions (like 16.x or 122-8r) lacked critical support for modern boot scenarios. Here is what 173-1r introduced or fixed: ROMMON updates do not take effect until a reload