A router’s startup-config is a table that tells it what to do when its power fails. The startup-config table tells the router what to do if it loses its power supply.
The router starts up without this table, and will display some error messages like: “startup-config is not present” “router is not configured (error)” “no startup-config file exists” “startup-config file does not exist”( or a few other English errors).
This is the default startup configuration for a router that was recently purchased. It is not the same as the startup configuration of an older, “cleaned-up” PC.
The system will have been running on battery power for several months or years, but has no knowledge of its current status (memory and hard drive size etc.) from which it cannot recover gracefully.
This is significant in terms of backup procedures: if a file in a backup failed to copy itself because data had been corrupted by errant software in a previous backup, the system may not be aware of the problem and will crash on startup.
This startup configuration is stored in ” /etc/default/startup-config (” /etc/boot.ini , etc.)”.
The file should contain three lines (see picture to left for details): “path” – which should be a directory name with “.boot” appended to it – everything under it will be copied into RAM as part of the boot process,
What is Startup Config and What are the Symptoms?
Startup Config is a startup tool that allows designers to create a design template for an app, which can be used by developers during their development process.
What is the Startup Config for a Cisco Router (differentiate between powered-on and powered off states)?
Startup Config is a Cisco router configuration tool. It can be used to configure the router. It is available in the Cisco Networking Academy for free.
Cisco has designed a router configuration tool called “Config” which can be used by both beginners and experts. It is very easy to use and you can manage all your routers and networks in a very simple way.
What are possible causes for the router to fail to go into the startup configuration?
Each device is a unique individual and every device response has its own characteristics, but there are some commonalities amongst them all.
An example of a commonality is when an operating system (OS) is installed on a router.
In this scenario, it can be said that a certain OS (for instance Windows 10) is installed on each of your routers.
However, another OS (for instance Mac OS X) could also be installed on one or more routers.
The reason why you would see different responses from your routers in case of two or more devices being present inside your home network can be attributed to the different OSs that are installed on it.
For instance, if you have Windows 10 and Mac OS X installed on each of your home networks then it may not be surprising that you will see some differences in the response given by each of your devices when it comes to router configuration files depending.
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