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Cisco Bug: CSCur00747 - ROMMON Upgrade rolled back

Last Modified

Mar 15, 2021

Products (1)

  • Cisco ASR 1000 Series Aggregation Services Routers

Known Affected Releases

15.3(3)S3.13 15.4(1)S1.1 15.4(1)S2

Description (partial)

In some cases, even after the ROMMON upgrade the device will come up with the earlier ROMMON version after a reload.

This issue affects all ASR1K cards in the IOS-XE releases: 

3.11.x   all 3.11 releases,
3.12.x   all 3.12 releases,
3.13.0, 3.13.1

Steps to reproduce the problem:
- Upgrade ROMMON.
- Reload the device once. This time, it will load new ROMMON
- Reload the device again. This time, it might load old ROMMON in some cases.
- If it loads the old ROMMON,  any subsequent reload will load only old ROMMON code.
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