This section describes the feature, maintenance, and SMU releases available for Cisco NCS 1010. Use this information to compare release types and locate downloads or documentation.
The Cisco IOS XR software model for NCS 1010 offers three primary types of software releases. Software images are available for download at the Cisco Software Download page. You can use these descriptions to identify release types, locate command outputs in documentation, and find supporting resources during NCS 1010 setup or troubleshooting.
| Release Type | Description | Example | Where to Find |
|---|---|---|---|
| Feature Release (FR) | Contains new features and supports new hardware; features are added and installation notes are provided in release notes. | X.X.1 format (e.g., 24.1.1, 24.2.1) | Release notes, Cisco download site |
| Maintenance Release | Delivers groups of critical bug fixes to feature releases. | Referenced in release notes | Release notes, Cisco download site |
| Software Maintenance Unit (SMU) | Provides specific fixes until the release’s End of Maintenance (EoM); fixes are merged into the next shipping release. SMUs are customized and posted as "Cisco IOS XR Software Maintenance Upgrade." | Customized for a specific release | Cisco download site, under Cisco IOS XR Software Maintenance Upgrade. |
For detailed information about numbering, release types, and timelines, see: Software Lifecycle Support Statement - IOS XR