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Management Guide
2-27
Configuring Traffic Classes
IEEE 802.1p defines up to 8 separate traffic classes. This switch supports
Quality of Service (QoS) by using two priority queues, with weighted fair queuing
for each port. You can use the 802.1P Configuration menu to configure the
default priority for each port, or to display the mapping for the traffic classes as
described in the following sections.
CheetahSwitch Workgroup - 4508
802.1P Configuration : Selection Menu
802.1P Port Priority Configuration ...
802.1P Port Traffic Class Information ...
<OK>
Use <TAB> or arrows keys to move. <Enter> to select.
Port Priority Configuration
The default priority for all ingress ports is zero. Therefore, any inbound frames
that do not have priority tags will be placed in the low priority output queue.
Default priority is only used to determine the output queue for the current port; no
priority tag is actually added to the frame. You can use the 802.1P Port Priority
Configuration menu to adjust default priority for any port as shown below:
CheetahSwitch Workgroup - 4508
802.1P Port Priority Configuration : Port1-8
Port Default Ingress Number of Egress
User Priority Traffic Class
-----------------------------------------------
10 2
20 2
30 2
40 2
50 2
60 2
70 2
80 2
<APPLY> <OK> <CANCEL>
Use <TAB> or arrow keys to move, other keys to make changes.
Parameter Description
Port Numeric identifier for switch port.
Default Ingress User Priority Default priority can be set to any value from 0~7, where 0~3
specifies the low priority queue and 4~7 specifies the high priority
queue.
Number of Egress Traffic Classes Indicates that this switch supports two priority output queues.