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Operation Manual - QoS/ACL

Quidway S5000 Series Ethernet Switches Chapter 2 QoS configuration

2-7

 Note:

Traffic redirection is only available to the permitted rules in ACL.

For more details about the commands, see the corresponding contents in the

Command Manual.

2.2.5 Setting Priority Label

This configuration re-labels priority level for the packets match ACL. The new priority

label can be put in the priority domain in the header.

The following commands are involved in configuring priority label.

Please perform the following configurations in Ethernet port view.

Table 2-5 Setting priority label

Operation Command

Label traffic priority

traffic-priority inbound { ip-group

{

acl-number | acl-name } [ rule rule ] | link-group

{

acl-number | acl-name } [ rule rule ] }* { { cos pre-value | { dscp dscp-value |

ip-precedence pre-value } | local-precedence pre-value }* | { { ip-precedence

from-cos | cos from-ipprec } | local-precedence pre-value }* }

Remove priority label

undo traffic-priority inbound { ip-group

{

acl-number | acl-name } [ rule rule ] |

link-group

{

acl-number | acl-name } [ rule rule ] }*

The switch supports IP priority scheme (specifying values for the ip-precedence in the

traffic-priority command), DSCP priority scheme (specifying values for the dscp in the

traffic-priority command) and 802.1p priority scheme (specifying values for the cos in

the traffic-priority command) as needed. The switch puts the packets into the right

outbound queues according to their 802.1p priority levels,.

For more details about the commands, see the corresponding contents in the

Command Manual.

2.2.6 Setting Queue Scheduling

Queue scheduling is often used in solving the problem of resource contention during

network congestion. Table 2-6 shows the mapping between 802.1p priority levels and

inbound queues.

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