Lancom Systems LS61465 Technical Information PDF herunterladen (Seite 116)

LANCOM ES-2126+ und LANCOM ES-2126P

쮿 Chapter 4: Operation of Web- based Management

115

쮿 Parameter Description:

왏 TOS Throughput Priority Mapping: Each Priority can select any of

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

ority 1 is mapping to Queue 0, Priority 2 is mapping to Queue 1, Pri-

ority 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: R-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 Reliability Priority Mapping works while R-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 116