Lancom ES-2126+ Manual page 114

Function name: 802.1p Setting
Function Description: This function will affect the priority of VLAN tag.
Based on priority of VLAN tag, it can arrange 0~8 priorities, priorities can
map to 4 queues of the switch (queue 0~3) and possess different band-
width distribution according to your weight setting.
Parameter Description:
802.1p 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.
Function name: D-Type TOS
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 Delay Priority Mapping works while D-TYPE in TOS field of IP
header of the packets received by the switch is configured.
LANCOM ES-2126+ und LANCOM ES-2126P
Chapter 4: Operation of Web- based Management
113