Downgrade Cisco RPD and Cisco cBR-8 Router
Before you begin
Before downgrading the system, make sure the following requirements are met:
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Download the images from the Cisco.com Software Center.
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Cisco cBR-8 router image: https://software.cisco.com/download/home/286283913/type/282046477
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Cisco Remote PHY Device image: https://software.cisco.com/download/home/286316518/type/286316917
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Console access for both SUPs are required.
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 |
Downgrade all RPD images to the required version using one of the following methods:
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Step 8 |
Verify that all RPDs have downloaded the new image using one of the following methods:
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Step 9 |
Configure the chassis to boot the system with target Cisco IOS XE image. Save the running configuration.
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Step 10 |
Reload and start the cBR-8 router.
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Step 11 |
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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