Downgrade Cisco RPD and Cisco cBR-8 Router
The following scenarios are supported in downgrading the RPD and cBR-8 router.
Cisco cBR-8 Original Version |
Cisco RPD Original Version |
Cisco RPD State Before Upgrade |
Cisco cBR-8 Upgrade Version |
Cisco RPD Upgrade Version |
Cisco RPD State After Upgrade |
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17.3.1x |
9.x |
online |
Lower than 17.3.1x |
Lower than 9.x |
online |
17.3.1x |
9.x |
online |
Lower than 17.3.1x |
Lower than 9.x |
init(gcp) |
Before downgrading the system, make sure the following requirements are met:
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Download two files from the following Cisco.com Software Center URL:
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IOS XE Software: https://software.cisco.com/download/home/286283913/type
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IOS XE Software Version 17.3.1w
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IOS XE Software Version 17.2.x
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IOS XE Software Version 16.12.x
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IOS XE Software Version 16.10.x
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IOS XE Software Version 16.9.x
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IOS XE Software Version 16.8.x
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IOS XE Software Version 16.7.x
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IOS XE Software Version 16.6.x
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RPD Software: https://software.cisco.com/download/home/286316518/type
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RPD Software Version 9.x
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RPD Software Version 8.x
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RPD Software Version 7.x
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RPD Software Version 6.x
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RPD Software Version 5.x
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RPD Software Version 4.x
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RPD Software Version 3.x
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RPD Software Version 2.x
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Console access for both SUPs are required.
Downgrade Procedure for Cisco RPD and Cisco cBR-8 Router
Procedure
Step 1 |
Copy Cisco IOS XE software package to bootflash: and stby-bootflash:
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Step 2 |
Verify Cisco IOS XE software package against the md5 hash as provided in the Cisco.com Software center.
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Step 3 |
Backup the current running config to bootflash:
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Step 4 |
Check the system status prior to upgrade. We recommend that you save the information to compare against the system status after the upgrade. For commands that are used to check the status, see the show commands at the end of this section. |
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Step 5 |
Copy the Cisco RPD image package to a TFTP server that is accessible by the RPDs. |
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Step 6 |
Verify the current RPD software version. |
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Step 7 |
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Step 8 |
Downgrade all RPDs image via SSD from cBR-8.
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Step 9 |
Verify the RPD SSD status. It will show the status as downloading.
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Step 10 |
Verify that all RPDs have downloaded the new image.
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Step 11 |
Configure the chassis to boot the system with target Cisco IOS XE image. Save the running configuration.
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Step 12 |
Reload and start the cBR-8 router.
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Step 13 |
Check that all the RPDs have been downgraded to the target version and that they are online.
These show commands might be used during the verification test:
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