IKEv2 Quick Crash Detection (QCD)


- Configure QCD service.


Though QCD service is enabled by default, you can change the QCD's configuration by adding related settings on Global Configuration tab of Web console.

- Global Configuration[Tab] > Global Settings[Tab]

  1. Click Add IKE SA's Settings button and show the Add a New Global Setting (IKE SA) dialog.

  2. Select a setting name and enter a setting value on the dialog, then click OK button.

  3. Save the global configuration.

  4. Restart Rockhopper like this (e.g. Ubuntu):

    # sudo /etc/init.d/rockhopper restart
    or
    # sudo systemctl restart rockhopper

Name Value Default value Description
qcd_enabled 1 (enable) or 0 (disable) 1 (enable) Enable or disable QCD service. QCD is enabled by default.
qcd_enabled_time Number of seconds 0 (disabled) The number of seconds QCD service responds QCD_TOKEN and INVALID_IKE_SPI notifications after Rockhopper boots. This feature is disabled by default.



- Disable QCD service.


QCD is enabled by default. You can disable it on Global Configuration tab of Web console.

- Global Configuration[Tab] > Global Settings[Tab]

  1. Uncheck Enable IKEv2 QCD (Quick Crash Detection).

  2. Save the global configuration.

  3. Restart Rockhopper like this (e.g. Ubuntu):

    # sudo /etc/init.d/rockhopper restart
    or
    # sudo systemctl restart rockhopper



- Reset a QCD-TOKEN key.


A secret key to make QCD-TOKEN notifications is generated after the first boot. The key is saved to the file "qcd_secret" (/home/rhpprotected/config/qcd_secret).

You can reset and update the key on Management tab of Web console.

- Management[Tab] > IKEv2[Tab] > Reset an IKEv2 QCD (Quick Crash Detection) Key.

  1. Click Reset key button.

  2. Restart Rockhopper like this (e.g. Ubuntu):

    # sudo /etc/init.d/rockhopper restart
    or
    # sudo systemctl restart rockhopper

Also, you can do it by command-line tool 'rockhopper' (/usr/local/sbin/rockhopper).

# rockhoper reset-qcd-key

Restart Rockhopper like this (e.g. Ubuntu):
# sudo /etc/init.d/rockhopper restart
or
# sudo systemctl restart rockhopper


- RFC


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