display upgrade rollback

Function

The display upgrade rollback command displays information about whether the rollback function is enabled in the current version.

Format

display upgrade rollback

Parameters

None

Views

User view

Default Level

3: Management level

Task Name and Operations

Task Name	Operations
upgrade	read

Usage Guidelines

Usage Scenario

If an error occurs during an upgrade (for example, the new startup files are damaged), cancel the current upgrade and restore the previous version used before the upgrade. To view information about whether the rollback function is enabled in the current version, run the display upgrade rollback command.

Example

The actual command output varies according to the device. The command output here is only an example.

# Display information about whether the rollback function is enabled on the device.

<HUAWEI> display upgrade rollback
Info:The state of upgrade rollback is enable. Limit time is 20 minutes.

# Display information about whether the rollback function is enabled on the device when the rollback function is disabled.

<HUAWEI> display upgrade rollback
Info:The state of upgrade rollback is disable.