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Troubleshoot the SRX440 Firewalls

This topic contains some common troubleshooting resources for the SRX440 Firewalls.

Troubleshooting Resources for SRX440 Firewalls

Use the Junos OS Evolved CLI to troubleshoot the device. You can also contact the Juniper Networks® Technical Assistance Center (JTAC) for support.

  • CLI─The CLI is the primary tool for controlling and troubleshooting hardware, Junos OS Evolved, and network connectivity. CLI command outputs display information about network connectivity. You can use the CLI to see more information about alarm conditions.

    For information about using the CLI to troubleshoot Junos OS Evolved, see the appropriate Junos OS Evolved configuration guide.

  • JTAC—If you need assistance during troubleshooting, you can contact the Juniper Networks Technical Assistance Center (JTAC) by using the Web or by telephone. If you encounter software problems, or problems with hardware components not discussed here, contact JTAC.

Use the RESET Button

If a configuration fails or denies management access to the firewall, you can use the RESET button to restore the device. The RESET button is recessed to prevent it from being pressed accidentally.

To press the RESET button, insert a small probe (such as a straightened paper clip) into the pinhole on the front panel.

  • Pressing the RESET button for a moment will load and commit the rescue configuration if it exists.

  • Pressing and holding the RESET button for more than 15 seconds, the device will return to the rescue configuration if it exists else the factory-default configuration is committed.