Cisco CCNA Certification Exam Tutorial: The Config Register And Password Recovery

Because if you don't, there is not anyone available who, you need to perform password recovery technique round the router - without erasing the current configuration. This involves managing the config register, plus a misstep here might be fatal for the router's probability of recovery!

Clearly, which can make you pretty worry about altering the config register, CCNA or else. Different CCNP 350-401 Dumps routers and switches have different methods for password recovery, and so the following discussion is fixed for the 2500 series. If you wish to do this for the next model, execute a quick internet internet search engine search for "password recovery Cisco" and you will quickly locate a document for your Cisco router you coping.

For your 2500 series, you start by reloading the router and delivering an escape signal through the first one minute in the reload. With regards to the terminal program you use, this really is really most most challenging part of the entire process! For a lot of, just press CTRL-Burglary that one-minute period. When the doesn't work, you might want to check Help in your terminal program to learn to send this break signal.

Due to the break sequence, the router adopts ROM Monitor mode. The instructions listed below are different when compared with ones you are familiar with coping with inside the router's IOS. Utilize the command o/r 0x2142 to change the config register setting, and reload the router by simply entering the letter "i".

This config register setting doesn't erase anything, nevertheless it does increase the risk for router neglect the products in NVRAM. What this means is that you'll be motivated to go in the dreaded Setup Mode, that you simply shouldn't complete. Simply press "N" and sort "enable" when you're within the router prompt. (If you undertake enter into Setup Mode, you can escape with CTRL-C, an expedient command to know for your CCNA exam and for real existence, as you have seen!)

Be careful with the next thing. You have to enter in the command "configure memory" or "copy start run" at the moment - don't enter "write memory" or "copy run start". Success round the CCNA exam so when a controlling real-world system is one of the details, which is a vital detail.

At the moment, you can test the key configuration and discover the passwords, and modify them if you would like. However, we're dirty. The config register should be challenge towards the default of 0x2102, and you also accomplish this while using global command "config-register 0x2102". Now you have to keep your config with "write memory" or "copy run start", and reload the router. The router will boot since it would.

Learning how to recuperate in the lost password is an important skill for that Cisco CCNA certification exam and for success in solid-world systems. It is not something we have to do each day, however, if time requires it, we have to take action correctly and completely - including that final config-register change!