load factory-default commit The root password is cleared. The switch reverts to root: (blank).
loader> boot -s Enter full pathname of shell: /bin/sh # mount -t msdosfs /dev/da0s1 /mnt # vi /mnt/etc/master.passwd # (remove the password hash after root::) # reboot This is complex and requires physical or out-of-band console access. 6.1 Ansible and Default Passwords When using Ansible to initially provision QFX switches, never rely on a default blank password. Instead, use console-based first-time setup or pre-staged SSH keys via USB autoinstall. qfx default password
set system login user admin uid 2000 set system login user admin class super-user set system login user admin authentication plain-text-password # (set admin password) set system root-authentication ssh-rsa "ssh-rsa AAAAB3..." # key-only, or set system root-authentication load-key-file /var/tmp/root_key.pub delete system root-authentication plain-text-password 4.3 Enforcing Password Policies set system login password format sha512 set system login password minimum-length 12 set system login password change-type user-set 4.4 Saving Configuration to Prevent Reversion After committing, save to both rescue and backup: load factory-default commit The root password is cleared
Every engineer who unboxes a QFX, performs a zeroize, or loads factory-default configuration must immediately set a strong root password or—preferably—disable root login entirely. Document the change, verify it, and include it in your configuration management database. Document the change, verify it, and include it