Device Image Management
Using maintenance mode, you can download
firmware on one or more devices in the IP Fabric with the minimal disruption to data path
traffic. Both Clos and Non-Clos Fabrics are supported. The maintenance mode feature is
supported only on SLX devices running SLXOS 20.1.1 and later.
EFA supports the following firmware download features:
- Firmware download with maintenance mode
supporting the following:
- Asynchronously launched
operations
- Sanity and pre-install script
check
- Set convergence timeout,
enable, and disable
- Persisting the running
configuration so that running configuration and maintenance mode
configuration are preserved after reboot
- Firmware download with no commit option to
enable restoration of firmware to a previous version
- Firmware host registration, with support for register, update, delete, and list
operations
- Firmware download preparation, with support for add, remove, and list operations
- Firmware download execute to start the
firmware download with maintenance mode asynchronous operation
- Firmware download show, to display a table of devices in the Fabric and their
corresponding status
Note
When a device is in maintenance mode, no configuration changes are allowed.
Limitations
- The device firmware must be SLX-OS 20.1.1 or
later to support firmware download with maintenance mode for a hitless firmware
upgrade.
- This feature assumes an existing host that
contains SLX-OS firmware images ready to be downloaded.
- This feature should not be launched on a
device where EFA TPVM is deployed.
- If you downgrade software from version 20.1.2a to 20.1.1, you must manually
remove certificates.
Supported Devices
The SLX-OS firmware download with maintenance mode is supported on the following SLX devices
running SLX-OS 20.1.1 and later.
- SLX 9540
- SLX 9640
- SLX 9150-48Y
- SLX 9150-48XT
- SLX 9250
