load factory-default commit The root password is cleared. The switch reverts to root: (blank).
ssh root@<qfx-mgmt-ip> You will get Connection refused because the SSH service is disabled in factory state. qfx default password
root@qfx> configure Entering configuration mode [edit] root@qfx# set system root-authentication plain-text-password New password: <enter strong password> Retype new password: <confirm> [edit] root@qfx# commit commit complete Now log out and test: console login should require the new password. For production, disable direct root login and use a separate admin account with su privileges: load factory-default commit The root password is cleared
Introduction In the world of data center networking, Juniper’s QFX Series switches are ubiquitous. Designed for high-performance leaf-and-spine architectures, EVPN-VXLAN fabrics, and large-scale Layer 2/Layer 3 environments, these switches are powerful—but like all network devices, they begin their life in a vulnerable state. At the heart of that vulnerability lies a simple, often-overlooked question: What is the default password on a QFX switch? At the heart of that vulnerability lies a
login: root Password: Press Enter at the password prompt. You are now logged in as root. If the switch has been configured for serial over LAN but the password was later cleared (e.g., via load factory-default ), the same blank password applies. 2.3 SSH – Not Enabled by Default Contrary to some misconceptions, SSH is not enabled out of the box. If you try:
Press Enter . You will see: