Rolling back from release 7.3.1 or later to a lower version does not require a bridge SMU. This optimized ISO supports booting the router using the following methods:įor ISSU, upgrading from a lower version to release 7.3.1 or later requires a bridge SMU in the running lower version. This optimized ISO reduces the time for install operations, and the utilization of disk space for files stored in the The disk space on the router, and speeds-up time taken for installing the package.Ĭisco IOS XR, Release 7.3.1 introduces an optimized version of mini-x ISO image with the overall image size reduced by approximatelyģ00MB. With this release, the size of the Cisco ISO image installed on the router is reduced by approximately 300 MB. More information about the install process, see Install Packages. Package and SMU installation is performed using install commands. The naming convention of the package is -.rpm. Optional RPMs such as OSPF can be added and RPM which is a part of the base software version and hence cannot be removed. That perform a specific set of router functions, such as routing, security, and so on.įor example, the components of the routing package are split into individual RPMs, such as BGP and OSPF. Into various software packages this enables you to select the features to run on your router. Installing a package 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.
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