Alloy GSS-16T2SFP Manual

A SERVICE OF

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31

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.