XGS-5240-Series User Manual

Table Of Contents
Configuration Guide of XGS-5240-Series
231
Fig 1-7 Typical QoS topology
As shown in the figure, inside the block is a QoS domain, Switch1 classifies different
traffics and assigns different IP precedences. For example, set CoS precedence for packets
from segment 192.168.1.0 to 5 on port ethernet1/0/1. The port connecting to switch2 is a trunk
port. In Switch2, set port ethernet 1/0/1 that connecting to swtich1 to trust cos. Thus inside the
QoS domain, packets of different priorities will go to different queues and get different
bandwidth.
The configuration steps are listed below:
QoS configuration in Switch1:
Switch#config
Switch(config)#access-list 1 permit 192.168.1.0 0.0.0.255
Switch(config)#class-map c1
Switch(Config-ClassMap-c1)#match access-group 1
Switch(Config-ClassMap-c1)#exit
Switch(config)#policy-map p1
Switch(Config-PolicyMap-p1)#class c1
Switch(Config-PolicyMap-p1-Class-c1)#set ip precedence 5
Switch(Config-PolicyMap-p1-Class-c1)#exit
Switch(Config-PolicyMap-p1)#exit
Switch(config)#interface ethernet 1/0/1
Switch(Config-If-Ethernet1/0/1)#service-policy input p1
QoS configuration in Switch2:
Server
Switch3
Switch1
Switch2
Trunk
QoS area