Draytek Vigor2926, User Manual

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Vigor2926 Series User’s Guide 131
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Hardware Acceleration is also called PPA in DrayTek for it is based on Protocol Processing
Engine (PPE) of Infineon. It can only support 128 sessions for network traffic (IN & OUT) with
implementing three kinds of modes - Disable, Auto and Manual.
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When the data traffic is heavy and data transmission is getting slowly and slowly, you can
configure this page to accelerate the data streaming by hardware itself. Open Hardware
Acceleration to access into the following page:
Available settings are explained as follows:
Item Description
Mode Disable – The default setting.
Auto - When the hardware acceleration is configured with
the Auto mode, the sessions with the heaviest loading and
the lower latency traffic will be added into PPA. However,
the Auto mode does not support UDP protocol by designed.
Manual - The Manual mode implements three sub-items--
Accelerate most heavy traffic sessions, Apply the Class Rule
in Quality of Service, and Specific Hosts. Each of these
sub-items can support TCP and UDP protocol.