Specifications

Waters Network Systems 2800M/MR User’s Manual Page 106
Function name:
D-Type TOS
Function description:
IP TOS Priority affects the TOS fields of the IP header It has an 8-bit SERVICE TYPE field that
specifies how the datagram should be handled. The field could be divided into the following
subfields.
 PRECEDENCE (3 bits), D-Type (Delay Priority, 1 bit)
 T-Type (Throughput Priority, 1bit)
 R-Type (Reliability Priority, 1 bit)
 M-Type (Monetary Cost Priority, 1 bit)
 UNUSED. PRECEDENCE 3-bits can arrange eight types of priorities corresponding to the 0~7
priority in the following priority diagram. TOS Delay Priority Mapping works while D-TYPE in TOS
field of the IP header of the packets received by the switch is configured.
Parameter description:
TOS Delay Priority Mapping:
Each Priority can select Queue 0 ~ Queue 3. By Default, Priority 0 is mapped to Queue 0,
Priority 1 is mapped to Queue 0, Priority 2 is mapped to Queue 1, Priority 3 is mapped to
Queue 1, Priority 4 is mapped to Queue 2, Priority 5 is mapped to Queue 2, Priority 6 is
mapped to Queue 3, and Priority 0 is mapped to Queue 3.