3Com Switch 7750 Configuration Guide

670 CHAPTER 61: QOS CONFIGURATION
■ Through the traffic-priority command. Refer to the following description in
this section.
Configuration
Prerequisites
■ ACL rules used for traffic identifying are defined. Refer to “Choosing ACL
Mode for Traffic Flows” on page 639 for defining ACL rules.
■ The type and value of the precedence that the packets matching with ACL
rules are remarked are specified
■ The ports which need this configuration are specified
Configuration Procedure
acl-rule: Applied ACL rules which can be the combination of various ACL rules.
The way of combination is described in the following table:
Table 539 Configure priority remark
Operation Command Description
Enter system view system-view -
Enter Ethernet port view interface interface-type
interface-number
-
Enter QoS view qos -
Use ACL rules in traffic
identifying and specify a new
precedence for the packet
matching with the ACL rules
traffic-priority { inbound |
outbound } acl-rule
[ system-index
system-index ]{{dscp
dscp-value | ip-precedence
pre-value } |
local-precedence
pre-value }*
Required
Type-A I/O Modules support
this command
traffic-priority inbound
acl-rule [ system-index
system-index ]{{dscp
dscp-value | ip-precedence
pre-value } | { cos cos |
local-precedence
pre-value }}*
Optional
Non-type-A I/O Modules
support this command
Display the parameter
configurations of priority
remark
display qos-interface
[ interface-type
interface-number ]
traffic-priority
Optional
You can execute the display
command in any view
Display all the QoS settings of
the port
display qos-interface
[ interface-type
interface-number ] all
Table 540 Type-A I/O Modules’ ways of applying combined ACLs
ACL combination Form of the acl-rule argument
Apply all the rules in an IP ACL separately ip-group { acl-number | acl-name }
Apply a rule in an IP ACL separately ip-group { acl-number | acl-name } rule
rule-id
Apply all the rules in a Link ACL separately link-group { acl-number | acl-name }
Apply a rule in a Link ACL separately link-group { acl-number | acl-name } rule
rule-id