Operation Manual - QoS/ACL
Quidway S3500 Series Ethernet Switches Chapter 2 QoS Configuration
Huawei Technologies Proprietary
2-8
You can use the following command to configure the priority marking.
Perform the following configuration in system view.
Table 2-4 Tagging packet priority
Operation Command
Mark the packet
priority
traffic-priority { ip-group { acl-number | acl-name } [ rule
rule ] | link-group { acl-number | acl-name } [ rule rule ] }
local-precedence pre-value
Cancel the packet
priority marking
undo traffic-priority { ip-group { acl-number | acl-name }
[ rule rule ] | link-group { acl-number | acl-name } [ rule rule ] }
For details about the command, refer to the Command Manual.
2.2.4 Configuring Queue Scheduling
Queue scheduling is commonly used to resolve the problem that multiple messages
compete for resource when the network congestion happens. The queue scheduling
function put the packet to output queue of the port according to 802.1p priority of the
packet. The relationship between priority and queues is as followed.
Table 2-5 The default “COS ->Local-precedence” map
COS Value Local Precedence
0 2
1 0
2 1
3 3
4 4
5 5
6 6
7 7
Table 2-6 Relationship between 802.1p priority and output queue
802.1p priority Queue ID
1,2 0
0,3 1
4,5 2
6,7 3