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User Guide for Resource Manager Essentials 4.1
OL-11714-01
Chapter 12 Managing Software Images Using Software Management
Software Distribution
Software Distribution Methods
You can distribute images to the devices in your network, using any of these options:
• Distribute by Devices [Basic]:
This option enables you to select devices and perform software image upgrades to those devices.
Software Management checks the current image on the device and recommends a suitable image and
the appropriate image storage for distribution.
See Distributing by Devices [Basic]
• Distribute by Devices [Advanced]:
This option enables you to enter the software image and storage media for the device that you want
to upgrade.
The selected image and storage media is validated and verified for dependencies and requirements
based on the device information that you entered when you added devices to the Device Credentials
Repository.
See Distributing by Devices [Advanced]
• Distribute by Images:
This option enables you to select a software image from the software image repository and use it to
perform an image upgrade on suitable devices in your network. This is useful when you have to
distribute the same image to multiple devices.
See Distributing by Images.
• Remote Staging and Distribution:
This option enables you to select a software image, store it temporarily on a device and then use this
stored image to upgrade suitable devices in your network. This is helpful when the Resource
Manager Essentials server and the devices (including the remote stage device) are distributed across
a WAN.
See Remote Staging and Distribution.
You can run the device upgrades job sequentially or in parallel. After the devices upgrade, you can also
specify the reboot order. You can specify these options in the Job Schedule and Options dialog box.
During the image upgrade, Software Management:
• Checks the amount of Flash memory on the device. If Flash memory needs to be erased before the
new system image is loaded and erasing is allowed, it erases the Flash memory. Before erasing the
flash, a warning message appears
Flash memory will be erased.
• Performs MD5 Checksum check of the image when it is downloaded from Cisco.com directly. It also
performs image size check once the image is copied to a device, to check if there was any network
transfer issue. These are the image consistency checks performed by Software Management.
• Provides a running log of the upgrade job.
• E-mails a report on the results to the specified addresses after completing the upgrade.
• Inserts boot commands to activate the upgraded image.
• Reboots the device if the Reboot Schedule option has been set to Reboot Immediately.
• RAM value is not checked. Hence, distribution proceeds without any errors even if the RAM value
is unknown.
• Min.Flash is ignored, if Min.Flash is unknown.
• Image cannot be used for upgrade, if Flash size is unknown.