Draytek VigorSwitch P1280, Руководство пользователя, Страница: 68 / 120

VigorSwitch P1280 User’s Guide 62
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QoS (Quality of Service) functions to provide different quality of service for various network
applications and requirements and optimize the bandwidth resource distribution so as to
provide a network service experience of a better quality.
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This page is used to specify Ingress Trust Mode for basic QoS mode.
Available settings are explained as follows:
Item Description
QoS Mode Disable –Disable the function of QoS mode.
Basic – Enable the function of QoS mode.
Ingress Trust Mode Select the QoS operation mode.
CoS/802.1p –Traffic is mapped to queues based on the CoS
field in the VLAN tag, or based on the per-port default CoS
value if there is no VLAN tag on the incoming packet.
DSCP – All IP traffic is mapped to queues based on the DSCP
field in the IP header. If traffic is not IP traffic, it is mapped to
the lowest priority queue.
CoS/802.1p-DSCP – All IP traffic is mapped to queues based on
the DSCP field in the IP header. If traffic is not IP but has VLAN
tag, mapped to queues based on the CoS value in the VLAN
tag.
IP Precedence - All IP traffic is mapped to queues based on
the DSCP field in the IP header. If traffic is not IP but has VLAN
tag, mapped to queues based on the CoS value in the VLAN
tag.