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I erased the configuration of my CSR 1000v bu using the CLI command wr erase and there reload. After that, I lost the SSH connection. I was not able to connect to the instance even though it has a public IP and DNS. It always asks me a password after running SSH command to connect.

ec2-user@ec2-34-211-24-85.us-west-2.compute.amazonaws.com's password:

Khalil Mebarkia
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  • I'm not a cisco guy, but when I google the `wr erase` command, it always comes up in connection with resetting something to the factory default. If you reset your appliance, maybe the default/initial password is the solution for you. – Maurice Dec 11 '18 at 19:00
  • @Maurice yes, that was my guess too. it deletes literally everything which was saved in `NVRAM` including the ssh authentification – Khalil Mebarkia Dec 11 '18 at 19:06

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It turns out that deleting NVRAM using we erase and reloading reload for CSR routers in AWS, will completely delete all the router's configuration including the ssh key which is attached to the router during the configuration.

Khalil Mebarkia
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