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IOS XR software is divided into various software packages this enables you to On the router installs specific features that are part of that package. Software patch installation is done by installing Software Maintenance Upgrade The process of deploying new features and software patches on the router.įeature upgrade is done by installing package files, termed simply, packages. Key, used for signing the RPM packages, is created and securely maintained by Cisco.įor more information on upgrading the system and the RPMs, see Manage Automatic Dependency chapter. This guarantees that the RPM packages have not been tampered with and the RPM packages are from Cisco IOS XR. For more information about the install process, see Workflow for Install Process.ĭo not perform any install operations when the router is reloading.ĭo not reload the router during an upgrade operation.Ĭisco IOS XR supports RPM signing and signature verification for Cisco IOS XR RPM packages in the ISO and upgrade images.Īll RPM packages in the Cisco IOS XR ISO and upgrade images are signed to ensure cryptographic integrity and authenticity. Install this ISO image using install commands. System upgrade is done by installing a base package–Cisco IOS XR Unicast Routing Core Bundle. Reload, the interface state changes to admin-shutdown automatically. If an interface on a router does not have a configuration and is brought up by performing no-shut operation, then upon router The 1G interface flaps twice instead of once in the Modular Port Adapter (MPA) NC55-MPA-12T-S after you reload any of these That run both on the XR VM and the System Admin VM get upgraded. However, during system upgrade, the operating systems The system upgrade operation is performed from the XR VM. However, you can install the new version in order to keep router features

The routerĬomes pre-installed with the Cisco IOS XR image. Upgrading the system is the process of installing a new version of the Cisco IOS XR operating system on the router. If the installed package or SMU causes any issue on the router, it can These files are accessed from a network server and then activated on the rpm), and software maintenance upgrade files (. The processes involve adding and activating the isoįeature packages (. Package installation processes are executed usingĬommands on the router.