Asr1000-rommon.173-1r.spa.pkg [ Reliable ]

Perhaps the most critical aspect of upgrading to asr1000-rommon.173-1r.SPA.pkg (ROMMON version 17.3[1r]) is the non-downgrade restriction. Once a router is upgraded to this version, it (e.g., versions 16.x or earlier).

Ensure all cards, line cards, and service processors return to an "ok" or "inserted" operational state. Troubleshooting Common Issues

If you manage a Cisco ASR 1000 Series router, you are likely familiar with the routine of upgrading IOS-XE. However, nestled within the directory listing of your bootflash or inside a software bundle, you may have stumbled across a file with a name like asr1000-rommon.173-1r.spa.pkg . asr1000-rommon.173-1r.spa.pkg

Before proceeding, ensure the following:

Or power cycle the chassis entirely (turn off/on). The ROMMON version is read very early in POST. Perhaps the most critical aspect of upgrading to

upgrade rom-monitor filename bootflash:asr1000-rommon.173-1r.spa.pkg all Cisco Community

Expected output: ROMMON Version: 173-1r

on specific hardware platforms. Once you upgrade the ROMMON to 17.3(1r) on the following devices, you cannot revert to an earlier version ASR 1001-X ASR 1001-HX ASR 1002-HX

openssl sha256 asr1000-rommon.173-1r.spa.pkg Troubleshooting Common Issues If you manage a Cisco

: The upgrade rom-monitor command completes successfully, but after reload, the ROMMON version remains unchanged or the process appears "stuck".

Upgrading ROMMON is not like copying a file to flash. It requires a and a full power cycle —not just a reload.