GE -DSH-73 User Manual page 112

Chapter 5: Web-Based Management
Figure 5-51: 802.1p Tag Priority
802.1Q Tag and 802.1p priority
Destination
Preamble
Address
6 bytes
Set up the COS priority level. With the drop-down selection item of Priority Type above
being selected as COS only/COS first, this control item will then be available to set the
queuing policy for each port.
Figure 5-52: QoS Configuration - COS Priority
This page includes the following fields:
Object
COS priority:
NOTE: 802.1p Priority: Priority classifiers of the Switch forward packet. COS range is
from 0 to 7. Seven is the high class. Zero is the less class. The user may configure the
mapping between COS and Traffic classifiers.
108
User Priority
3 bits
TPID (Tag Protocol
Identifier)
2 bytes 2 bytes
Source
VLAN TAG
Address
6 bytes 4 bytes
Description
Set up the COS priority level 0~7—High, Middle, Low, Lowest.
CFI VLAN ID (VID)
1 bits 12 bits
TCI (Tag Control
Information)
Ethernet
Data
Type
2 bytes 46-1517 bytes 4 bytes
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