usr/sbin/kgv_update: Signature validated for /flash1/ir1800-universalk9._10.38.0. usr/sbin/kgv_update: kgv_update continuing. Performing SMU_ACTIVATE on Active/Standby Press Quit(q) to exit, you may save configuration and re-enter the command. Press No(n) for proceeding without saving the configuration. Press Yes(y) to save the configuration and proceed. Router# install activate file bootflash:ir1800-universalk9._10.38.0. Install_add: Checking whether new add is allowed. Router# install add file bootflash:ir1800-universalk9._10.38.0.Ĭat: /tmp/patch/patch.sta: No such file or directory Perform the following steps to install the patch image: Procedure Your patch will have a name associated with a CDET to be installed This section shows an example of a patch created as a test. The patch file that contains the fix for the defect must be formatted as ir1800-image_name.release_.bin The image where the defect was discovered The work-flow for the patch requires that you complete the following sequence of operation in exec mode: The updated code to fix the defect is written in a different location, and where the patch redirects the program run This avoids downtime and interruption of service The running image is modified in-place or in-service

SMU is NOT an upgrade path from release X to release Y SMU is NOT an upgrade path from release X to maintenance release X.1 SMU is a method to fix bugs in an existing release, and allows the application of a PSIRT fix in an existing release. Reducing the time and scope of the testing required. This is based on rules/limitations for a SMU change-set.Īn SMU provides a significant benefit over classic IOS software as it allows you to address the network issue quickly while The Cisco IOS XE platform internally validates the SMU compatibility and does not allow you to install non-compatible SMUs. All defects fixed by SMUs are then automatically integrated into the SMUs are not an alternative to maintenance releases. Major, minor, and maintenance versions they upgrade. SMU versions are synchronized to the package Provided on a per release, per component basis and is specific to the platform. If the router is booted up in install mode, SMU installation will keep From Cisco IOS XE Release 17.9.x, SMU installation willīe stopped if the router is booted up in bundle mode. SMU installation was supported in both bundle boot and install mode. To a released image for a specific defect in order to respond to immediate issues. The Software Maintenance Upgrade (SMU) is a package that can be installed on a system to provide a patch fix or security resolution

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