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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
For supervisor versions 3.1 to 3.2, when the image repository or Cisco.com has both 8 MB of RAM and
regular images available, Software Management also checks the device RAM:
1. If the RAM can be determined and the available RAM is greater than 16 MB;
a. Software Management recommends the latest regular supervisor image where the RAM requirement
is less than the available RAM.
b. If no regular image with matching RAM requirements is available, it recommends the latest version
of the 8-MB images.
c. If there is still no matching image, it recommends the latest image version that has no RAM
requirements (where the RAM requirement is set to DEFAULT_SIZE).
2. If the RAM can be determined and the available RAM is less than 16 MB:
a. Software Management recommends the highest image version for which the RAM requirement is
less than 16 MB.
b. If there is still no matching image, it recommends the latest image version that has no RAM
requirements (where the RAM requirement is set to DEFAULT_SIZE).
3. If the RAM cannot be determined:
a. Software Management recommends the latest regular image.
b. If no regular image is available, it recommends the latest 8-MB image.
c. If there is still no matching image, it recommends the latest image version that has no RAM
requirements (where the RAM requirement is set to DEFAULT_SIZE).
The minimum RAM in the image attributes file supersedes these guidelines.
For example, if a supervisor engine module is running the version 3.1 maintenance release (8 MB RAM)
but the RAM in the image attributes was changed to 16 MB, Software Management uses the value in the
attributes file.
Upgrade Recommendation for VPN 3000 Series
Software Management recommends the latest version of the image in the software image repository. If
the device is a VPN 3005 Concentrator, it recommends the VPN 3005 System software images in the
repository.
Upgrade Recommendation for Catalyst 1900/2820
For Catalyst 1900/2820 Enterprise version device upgrades, Software Management typically
recommends the latest version of images in the software repository.
Note For Catalyst 1900/2820 Series devices, Software Management recommends images with version
numbers greater than 8.0(0) because the older versions do not support the Command Line Interface.
Non-Enterprise versions of the Catalyst 1900/2820 are not supported in Software Management.
Supervisor version 3.1.1 and later 16
Maintenance release versions 3.1 and 3.2 with “Sup8M” in filename 8
Module Type and Version Default RAM (MB)