Alloy Computer Products 16-PORT GIGABIT WEB SMART SWITCH GSS-16T2SFP - Manual (Page 37)

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Function name:
IP ToS Classification
Function description:
Within the Layer 3 network framework is a TOS field for IP headers. The GS-
16T2SFP can prioritize packet forwarding based on this TOS header.
TOS Headers include 3 bits for 8 levels of TOS. Once again these 8 levels can
be mapped to High or Low priority queues.
Fig. 4-15
Parameter description:
Quality of Service (QoS) ToS Configuration:
Used for setting up the TOS QoS based on Layer 3 IP headers.
Port:
Select the port which your bit mapping will apply. Optionally you can select
to control all ports at the same time from the “All” selection.
Bit 0, Bit 1, Bit 2:
Control the TOS priority and offer 8 levels of QoS.
Class:
The 8 levels of TOS are then mapped to High or Low Priorities for each
ports output queue respectively.