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Entering the Boot Menu
When the 300 Series starts up, and before it has finished initializing, the startup process can be suspended and the boot menu entered by repeatedly pressing e.g. the Space key on the keyboard of cOS Core's local console (connecting this is described in Section 3.3, Management Computer Connection). The boot menu provides a number of options related to the loading of cOS Core.Boot Menu Options
The choices displayed in the boot menu are the following:Boot system <version-number>
This will exit the boot menu and initialization of cOS Core will resume.
Boot-failure recovery
The NetWall 300 Series will boot using its own internal system memory. cOS Core will then run in a safe mode. This means the the system will function but only limited resources will be available. However, these resources are sufficient for cOS Core to be used with a full CLI command set to troubleshoot problems.
Reset system to factory default
This restores both the current configuration and the cOS Core version to the factory settings. Any cOS Core version upgrades that have been installed will be lost.
Using this option is discussed further in Chapter 5, Resetting to Factory Defaults. However, note this reset will only affect cOS Core and will not reset the whole 300 Series system.
Restore system default configuration
This restores only the default configuration. No cOS Core version upgrades that have been installed will be lost. This is the recommended option unless a full reset is required.
The boot menu is also discussed in the separate cOS Core Administration Guide.
