For the (NetEngine 40E) series routers, there is typically no factory-set default password for the initial console login on modern software versions (V800R012C00 and later). Instead, the system mandates that you configure a secure password immediately upon the first login. Core Login Credentials and Scenarios
Using these methods may result in losing the configuration file ( .cfg ) if it is not backed up. 4. Securing Your NE40E After Initial Login
If the BootLoad password has also been changed, the only option is to use the Clear Password option in the boot menu. This does not erase your configuration; it only resets the password.
Connect the other end (usually DB9 or USB) to your administration laptop. Step 2: Configure Your Serial Terminal
This erases the startup configuration. Ensure you have a backup.
If you are locked out of an NE40E (e.g., you inherited it from a previous team), you have two legitimate options:
Ensure the new password is complex.
