i think it´s for logging and reporting via Cyperoam iView.
Here´s more stuff:
Cyberoam iView launches Terabyte capacity appliances for Logging-Reporting
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A limited capacity (100GB max.) license-free version is available at no charge for evaluation, or for small customers who don’t need to store data for extended periods. Paid licenses, including support subscriptions, are available for 1TB, 8TB, and unlimited storage requirements.