user manual

Fi
g
. 3.12b
• Function Name: Quality of Service (QoS) ToS Configuration:
• Function Within the Layer 3 network framework is a TOS field for IP
Description: headers. The Alloy 8 Port Gigabit Switch can prioritise
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.
• Parameter Quality of Service (QoS) ToS Configuration:
Description: * Used for setting up the TOS QoS based on Layer 3 IP headers.
Port:
* Select the port to 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.
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