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set the NAT ID even when you specify a hostname or IP address. The NAT ID must not exceed 37

characters. Valid characters include alphanumerical characters (A–Z, a–z, 0–9) and the hyphen (-). This

ID cannot be used for any other devices registering to the management center.

• Registration Key: reg_key—You will be prompted for a one-time registration key of your choice that

you will also specify on the management center when you register the chassis. The registration key must

not exceed 37 characters. Valid characters include alphanumerical characters (A–Z, a–z, 0–9) and the

hyphen (-).

Example:

firepower-3110# enter device-manager boulder_fmc hostname 10.89.5.35 nat-id 93002

(Valid registration key characters: [a-z],[A-Z],[0-9],[-]. Length: [2-36])

Registration Key: Impala67

Step 5 Change the admin password.

scope security

set password

Enter a password: password

Confirm the password: password

Example:

firepower-3110# scope security

firepower-3110 /security # set password

Enter new password: Sw@nsong67

Confirm new password: Sw@nsong67

firepower-3110 /security #

Step 6 Disable multi-instance mode and set the system back to appliance mode.

scope system

set deploymode native

You are prompted to reboot.

Example:

firepower-3110# scope system

firepower-3110 /system # set deploymode native

All configuration and bootable images will be lost and system will reboot.

If there was out of band upgrade, it might reboot with the base version and

need to re-image to get the expected running version.

Do you still want to change deploy mode? (yes/no):yes

firepower-3110 /system #

To change the mode back to multi-instance mode, enter set deploymode container. You can check the current

mode using the show system detail command.

Multi-Instance Mode for the Secure Firewall 3100

Change Chassis Management Settings at the FXOS CLI

Cisco Secure Firewall 3100 User Manual

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