Lancom Systems LS61465 Technical Information PDF herunterladen (Seite 117)

LANCOM ES-2126+ und LANCOM ES-2126P

쮿 Chapter 4: Operation of Web- based Management

116

쮿 Parameter Description:

왏 TOS Reliability Priority Mapping: Each Priority can select any of Queue

0 ~ Queue 3. In Default, Priority 0 is mapping to Queue 0, Priority 1

is mapping to Queue 0, Priority 2 is mapping to Queue 1, Priority 3 is

mapping to Queue 1, Priority 4 is mapping to Queue 2, Priority 5 is

mapping to Queue 2, Priority 6 is mapping to Queue 3, and Priority 0

is mapping to Queue 3.

쮿 Function name: M-Type TOS

쮿 Function Description: IP TOS Priority affect TOS fields of IP header, you can

find it has 8-bit SERVICE TYPE field that specifies how the datagram

should be handled. The field could be divided into six subfields as follows,

PRECEDENCE (3 bits), D-Type (Delay Priority, 1 bit ), T-Type (Throughput

Priority, 1bit), R-Type (Reliability Priority, 1bit ), M-Type (Monetary Cost

Priority, 1bit ), and UNUSED. PRECEDENCE 3-bits can arrange 8 kinds of

priorities corresponding to the 0~7 priority in the following priority dia-

gram. TOS Monetary Cost Priority Mapping works while M-TYPE in TOS

field of IP header of the packets received by the switch is configured.

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Lancom Systems LS61465 Technical Information Seite 117