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    Halt of Unified ISSU During Initialization Phase Overview

    The options that are available to halt the unified in-service software upgrade depend on the phase that the upgrade is in when you attempt to halt it. The phase also affects the state of the router after the upgrade is halted.

    During the initialization phase, you can halt the unified ISSU process by issuing the issu stop command. This action reloads the redundant SRP module with the armed upgrade release. As a result, unified ISSU is placed in the idle state and the following releases are present on the router:

    • Primary SRP module—Running (original) release
    • Redundant SRP module—Upgrade release
    • Line modules—Running (original) release

    Published: 2014-08-12