Draytek VigorSwitch P1085, Руководство пользователя, Страница: 106 / 267

VigorSwitch P1085 User’s Guide 98
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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 allows the network administrator 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.