Today I want to highlight the issue known in part when a majority of the configuration register in Cisco devices and their importance in the Troubleshoot
Majority knew this entry through the Password Recovery do the work and know that the value 2142 is dedicated to restore the password in Cisco devices and of course there are other values we will identify them now

 What is the benefit of the configuration register?
This value is the starting point in Cisco devices and any error which generates many problems in the work Router is set for the router several things, including
1 – from anywhere will give up any of the Router ROMmoc or from the NetBoot
2 – provide some additional options during the boot process, such as ignoring the settings from the Download NVRam or disable the messages start to take off
3 – determine the speed of the center console or to differentiate between the Baud rate me
And so that we can determine the current value of the Router or SWiSH Max, we left it
 Show Version

We can see in the end it holds the value 2102, a normal value for all Cisco devices means the
Normal boot from the flash in case of failure to quit would be to boot from the ROMmon addition to that it tells the Router to download the settings from the NVRam Router and finally tell that the speed of the console Port is 9600
As for how to change this value is very simple and all Maalina to write the following command with the new value

Can through this table to identify all the values that are available and the meaning of each value of