I have switch catalyst 9200L with IOS XE Software, Version 17.06.03, and would like to downgrade system bootstrap from version Version 17.9.1r [FC4] to Version 17.8.1r [FC5] because I found bug CSCwb81497, Can someone for helping me?
When you upgrade from the existing release on your switch to a later or newer release for the first time, the boot loader may be automatically upgraded, based on the hardware version of the switch. If the boot loader is automatically upgraded, it will take effect on the next reload. If you go back to the older release after this, the boot loader is not downgraded. The updated boot loader supports all previous releases.
Do you have recommended for downgrade IOS XE code which has the bootloader?
I shared show version of switch
9200L-L2-A1#sh version Cisco IOS XE Software, Version 17.06.03 Cisco IOS Software [Bengaluru], Catalyst L3 Switch Software (CAT9K_LITE_IOSXE), Version 17.6.3, RELEASE SOFTWARE (fc4) Technical Support: http://www.cisco.com/techsupport Copyright (c) 1986-2022 by Cisco Systems, Inc. Compiled Wed 30-Mar-22 21:23 by mcpre
Cisco IOS-XE software, Copyright (c) 2005-2022 by cisco Systems, Inc. All rights reserved. Certain components of Cisco IOS-XE software are licensed under the GNU General Public License ("GPL") Version 2.0. The software code licensed under GPL Version 2.0 is free software that comes with ABSOLUTELY NO WARRANTY. You can redistribute and/or modify such GPL code under the terms of GPL Version 2.0. For more details, see the documentation or "License Notice" file accompanying the IOS-XE software, or the applicable URL provided on the flyer accompanying the IOS-XE software.
ROM: IOS-XE ROMMON BOOTLDR: System Bootstrap, Version 17.9.1r [FC4], RELEASE SOFTWARE (P)
9200L-L2-A1 uptime is 4 minutes Uptime for this control processor is 7 minutes System returned to ROM by Power Failure or Unknown System image file is "flash:packages.conf" Last reload reason: Power Failure or Unknown
@balaji.bandi I need to downgrade ROMMON only now downgrade firmware IOS-XE if I cannot downgrade I think contact to Cisco-TAC
@Leo Laohoo I post show version and show platform as below
9200L-L2-A1#show version Cisco IOS XE Software, Version 17.06.03 Cisco IOS Software [Bengaluru], Catalyst L3 Switch Software (CAT9K_LITE_IOSXE), Version 17.6.3, RELEASE SOFTWARE (fc4) Technical Support: http://www.cisco.com/techsupport Copyright (c) 1986-2022 by Cisco Systems, Inc. Compiled Wed 30-Mar-22 21:23 by mcpre
Cisco IOS-XE software, Copyright (c) 2005-2022 by cisco Systems, Inc. All rights reserved. Certain components of Cisco IOS-XE software are licensed under the GNU General Public License ("GPL") Version 2.0. The software code licensed under GPL Version 2.0 is free software that comes with ABSOLUTELY NO WARRANTY. You can redistribute and/or modify such GPL code under the terms of GPL Version 2.0. For more details, see the documentation or "License Notice" file accompanying the IOS-XE software, or the applicable URL provided on the flyer accompanying the IOS-XE software.
ROM: IOS-XE ROMMON BOOTLDR: System Bootstrap, Version 17.9.1r [FC4], RELEASE SOFTWARE (P)
9200L-L2-A1 uptime is 10 minutes Uptime for this control processor is 13 minutes System returned to ROM by Reload Command at 12:22:25 BKK Fri Aug 26 2022 System image file is "flash:packages.conf" Last reload reason: Reload Command
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cisco C9200L-48P-4X (ARM64) processor with 526790K/3071K bytes of memory. Processor board ID JAE26160DRU 1 Virtual Ethernet interface 96 Gigabit Ethernet interfaces 8 Ten Gigabit Ethernet interfaces 2048K bytes of non-volatile configuration memory. 1984168K bytes of physical memory. 819200K bytes of Crash Files at crashinfo:. 1941504K bytes of Flash at flash:.
Base Ethernet MAC Address : f8:e5:7e:59:66:00 Motherboard Assembly Number : 73-102108-04 Motherboard Serial Number : JAE26160DRU Model Revision Number : C0 Motherboard Revision Number : A0 Model Number : C9200L-48P-4X System Serial Number : JAE26160DRU CLEI Code Number : INM5310ARB
9200L-L2-A1# 9200L-L2-A1#show platro 9200L-L2-A1#show plat 9200L-L2-A1#show platform Switch Ports Model Serial No. MAC address Hw Ver. Sw Ver. ------ ----- --------- ----------- -------------- ------- -------- 2 52 C9200L-48P-4X JAE26160DRU f8e5.7e59.6600 V02 17.06.03 Switch/Stack Mac Address : f8e5.7e59.6600 - Local Mac Address Mac persistency wait time: Indefinite Current Switch# Role Priority State ------------------------------------------- 1 Member 0 Provisioned *2 Active 14 Ready
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