DG-FS1526 User Manual
39
For IPv4 packets, the priority is determined according to the value of
TOS [5:0]
in the header. Packets in which values of
TOS [5:0]
are
101110, 001010, 010010, 011010, and 11x000 map to higher priority.
Packets in which
TOS [5:0]
are other values map to lower priority.
7.7.3 Class of Service Configuration - 2
Choose
QoS Setting
>
TCP/UDP Port Based
and the following page appears. COS based
on TCP/UDP port specifies the priority queues of packets or discards designated protocol
packets according to the application layer protocols of packets received at the port. COS
supports classifying packets into corresponding priority queues or discards packets
according to the port in the range of ports 1-65535, besides certain known protocols, such
as FTP, telnet, and SNMP.
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