Asr1000-rommon.173-1r.spa.pkg Work Jun 2026

Mastering Cisco ASR 1000 ROMMON Upgrades: A Deep Dive into asr1000-rommon.173-1r.spa.pkg

upgrade rommon filename bootflash:asr1000-rommon.173-1r.spa.pkg all Use code with caution. asr1000-rommon.173-1r.spa.pkg

Have you encountered any specific caveats with the 17.3 ROMMON release? Let us know in the comments below! Mastering Cisco ASR 1000 ROMMON Upgrades: A Deep

ROMMON is a low-level bootstrap code that initializes the router's hardware at power-on, facilitating the loading of the primary Cisco IOS XE operating system. The .pkg package file is used to upgrade ROMMON on an ASR1K router and is independent from the standard IOS XE software releases. ROMMON is a low-level bootstrap code that initializes

running IOS XE 17.3.x or 17.4.x – highly recommended .

Ensure the router’s local flash memory ( bootflash: ) or external USB flash ( usb0: ) has sufficient free space (typically less than 20 MB is required for the PKG file).