Before you start either section of your lab exam (Troubleshooting or Configuration), your proctor is going to remind you to save your configurations often. You might even see this written several times in the lab instructions contained in the new GUI. Why are you being asked to do this?

Well, at the very least, you might have a device that hits a snag and just decides to reboot on you. How rude! It is never fun to lose any amount of configuration when you are pressed for time, as you will be in the certification lab exam. But in the worst case scenario, your entire rack of equipment might power cycle due to a catastrophic failure in the Cisco facility that houses your equipment (real and emulated equipment). This could amount to you failing the exam for sure if you were not consistently saving configurations as you go along.

Here was the habit I developed for saving my configurations as I went along. After making a configuration on a local device and performing whatever necessary verifications, I would then type wr or do wrdepending on the configuration mode. Then, while the device is performing its save, I would leave for my next device in the configuration. Using this method, I was completely confident that everything was always tucked away nicely in the startup configuration and did not fear the unplanned reboot.

Whatever your method of saving configurations will be – be sure you practice, practice, practice it prior to sitting your actual lab.

P.S. The only issue I ever had with my approach was that in production networks, I would often find myself compulsively saving configurations, even when I did not want to. :-(

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6 Responses to “CCIE R&S Version 4 – Saving your Configurations Often”

  1. Suraj says:

    Quiet true……i go through the production network scenario during every change cycle always….lol then we see a spike in our NMS for response times…hehe

  2. Hans says:

    You might consider writing a kron job doing this at regular basis

  3. ekundayo akinniyi says:

    can one do an alias for it with the do command in global configuration mode so that you do have to go to priviledge mode abd back,regards

    • @ ekundayo akinniyi

      You can use aliases in the lab exam – but you are instructed to remove them before finishing your configuration or troubleshooting section.

      I was always afraid I would not have time to do this, so I preferred to not use aliases at all.

      The command wr or do wr were certainly brief and quick enough for me.

  4. trita says:

    I don’t understand. What happens if we dont remove the alias commands at the end of the exam? I failed my both 2 attempts and never removed the my alias commands from the routers..


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