Cisco XR IOS Code Upgrade

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Summary of XR IOS Code Upgrade:

1.Download the correct image tarball from cisco.com. The image cannot be used as-is. The CCO image tarball for Release 4.3.4 (Cisco recommended) must be downloaded first and only relevant Packages Installation Emvelope (PIEs) or Software Maintenance Upgrade (SMUs) must be taken for use on the router.

2. Before upgrading to the new code, all the mandatory SMUs required to be active in the current release must be installed. For example we are upgrading from code 4.2.3 to 4.3.4 and ...

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