It is recommended to perform install add before the maintenance window. This is a way to prepare the router for upgrade without affecting the running executables, this helps to divide the install process into three basic phases. The opposite of this is install remove which also has no impact. Note that SCs are used in CRS multichassis. Install add decompresses the packages into memory on the dSC and then concurrently writes to the boot device of all management nodes, typically disk0.Įxamples of management nodes would be RSP0, RSP1, SC0, and SC1. It is recommended to check the upgrade guides listed here for any caveats and more detailed steps. Upgrades are performed using, at a minimum, the install add, install activate, and install commit commands. Note that the mini package is a composite package with multiple packages such as OS, admin, base, and forwarding included. What are all the packages?įrom time to time there have been minor differences such as integrating the FPD package into the mini.pie file and taking lawful intercept out of the mini file, but for the most part this list does not change. Upgrading XR is done through an upgrade process. XR runs a microkernel and uses packaging, similar to Linux, to allow the user to choose which features they want loaded and to enable patching of individual components through SMUs. IOS runs a monolithic kernel and a single. Basic Concepts How is installing and upgrading IOS-XR different from IOS? This guide is meant to provide answers to some of the common install questions and provide a basic overview of the install architecture XR employs. Why is my install failing with "File too large" or "Value too large"?.Install Complaining about incompatibilities.
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