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Conditions requiring a Sensor reboot

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The following situations either cause or require a Sensor reboot. You have two options for rebooting the Sensor. You can reboot the Sensor from the Manager interface, or you can issue the reboot CLI command.

Note

A Sensor reboot can take up to five minutes.

  • Issuing the following CLI commands causes an automatic reboot of the Sensor:

    • resetconfig

    • deletesignatures

    • factorydefaults

    For more information on the Sensor CLI commands, see the CLI commands section.

  • Changing the Sensor's management port IP address (IPv4 or IPv6) requires a manual reboot of the Sensor, before the change takes into effect.

  • Certain internal software errors can cause the Sensor to reboot itself. See a description of Sensor fault messages later in this chapter.

  • Enabling/disabling SSL requires a Sensor reboot.

  • Enabling/disabling parsing and detection of attacks in IPv6 traffic passing through the Sensor monitoring port requires a manual reboot of the Sensor.

    In the Manager user interface, you can enable/disable parsing and detection of attacks in IPv6 traffic with the Scan IPv6 traffic for attacks option from the IP Settings tab (Devices → <Device Name> → Setup → Advanced → IP Settings). For more information, see the topic Configuring IP Settings for IPv4 and IPv6 traffic in the IPS Administration section.

  • Upgrading Sensor software requires a manual reboot of the Sensor.