3Com Switch 7750 Configuration Guide Guide

QoS Configuration Example 637
Network diagram
Figure 162 Network diagram for TP and rate limit configuration
Configuration procedure
n
Only the commands related with QoS/ACL configurations are listed in the
following configurations.
1 Define the outbound traffic of the salary query server
# Enter ACL 3000 view.
<SW7750> system-view
[SW7750] acl number 3000
# Define ACL 3000 rules.
[SW7750-acl-adv-3000] rule 1 permit ip source 129.110.1.2 0 destinat
ion any
[SW7750-acl-adv-3000] quit
2 Limit the outbound traffic of the salary query server
# Limit the average rate of outbound traffic within 640kbps and set the preceden
ce
of packets exceeding the specification to 4.
[SW7750] interface Ethernet 1/0/1
[SW7750-Ethernet1/0/1] qos
[SW7750-qoss-Ethernet1/0/1] traffic-limit inbound ip-group 3000 640
exceed remark-dscp 4
Configuration Example
of Priority Remark
Network requirements
Mark ef on the packets that PC1 whose IP address is 1.0.0.2 sends from 8:00 to
18:00 every day to provide the basis of precedence for the upper-layer devices.
R&D department
Salary query server
Switch
To the ro uter
E1/0/1
129 .110 .1.2
R&D department
Salary query server
Switch
To the ro uter
E1/0/1
129 .110 .1.2