Netgear XCM8806 Chassis User Manual - Page 816
Hitless Upgrade Examples, Examples on the NETGEAR 8800 Series Switches
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NETGEAR 8800 User Manual • If you install the image at a later time, use the following command to install the software: install image {} {msm } {reboot} 7. Verify that the new backup MSM comes up correctly and that the MSMs are synchronized using the following command: show switch The current state indicates which MSM is the primary (displayed as MASTER), which MSM is the backup (displayed as BACKUP), and if the backup MSM is synchronized with the primary MSM (displayed as In Sync). 8. Optionally, initiate failover from the new primary MSM to the new backup MSM using the following command: run msm-failover When you failover from the new primary MSM to the new backup MSM, this optional step restores the switch to the original primary and backup MSM. 9. Optionally, confirm that the failover is successful by checking the current state of the MSMs using the following command: show switch You can also perform a hitless upgrade on XCM8800 modular software packages (.xmod files). To perform a hitless upgrade of a software package, you must install the core software image first, and the version number of the modular software package must match the version number of the core image that it will be running with. For more detailed information about modular software packages, see Installing a Modular Software Package on page 806. To perform a hitless upgrade, follow the steps described in the previous section, Performing a Hitless Upgrade on page 812. Hitless Upgrade Examples This section provides examples for performing a hitless upgrade on the NETGEAR 8800 series switches. Note: Before you begin, make sure you are running a version of XCM8800 that supports hitless upgrade. For more information, see the list in the section Performing a Hitless Upgrade on page 812. Examples on the NETGEAR 8800 Series Switches Using the assumptions described below, the following examples perform a hitless upgrade for a core software image on NETGEAR 8800 series switches: 816 | Appendix B. Software Upgrade and Boot Options
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