Owner's Manual

364 | Chapter 15. QoS
NETGEAR 8800 User Manual
Figure 23. DiffServe Code Point
Because the DSCP uses six bits, it has 64 possible values (2
6
= 64). By default, the values
are grouped and assigned to the default QoS profiles as listed in
Table 42.
Note: The default DiffServ examination mappings apply on ports in more
than one VR. If you attempt to configure DiffServe examination or
replacement on a port that is in more than one virtual router, the
system returns the following message:

Table 42. Default DSCP-to-QoS-Profile Mapping
Traffic Group Code Point NETGEAR 8800 Switches QoS Profile
0-7 QP1
8-15 QP1
16-23 QP1
24-31 QP1
32-39 QP1
40-47 QP1
48-55 QP1
56-63 QP8
EW_023
Type-of-service
DiffServ code point
IHL
Data (variable)
0 bits 31
Options (+ padding)
Destination address
Source address
07654321
Total lengthVersion
ProtocolTime-to-live
Header checksum
FlagsIdentification Fragment offset