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Cisco Bug: CSCvh67082 - OCU bridge SMU between ConfD single-slave and multi-slave versions

Last Modified

Apr 17, 2019

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases


Description (partial)

Beginning in 6.3.1, ConfD runs in multi-slave mode which substantially increases the reliability of the sysadmin config. In order for this change to work properly when performing OCU between single-slave and multi-slave versions, a bridge SMU is needed.

This SMU is only needed when OCU upgrade or OCU downgrade is being performed. It is not needed for normal operation on any version.

For OCU upgrade from a single-slave version to a multi-slave version, the SMU should be applied prior to starting OCU. Once OCU has been completed successfully, the SMU may be removed.

For OCU downgrade from a multi-slave version to a single-slave version, the SMU should be applied as part of the OCU operation itself (in the v2 version). Once OCU is finished successfully, the SMU may be removed.

This is a process restart SMU. On activation/removal, the confd_helper process will restart, logging users out of sysadmin northbound interfaces, including CLI and NETCONF sessions. No other impact or service disruptions will be seen.
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