Configuration Examples; Example For Configuring Congestion Management; Figure 7-9 Queue Scheduling Networking - Raisecom ISCOM2600G-HI (A) Series Configuration Manual

Raisecom
ISCOM2600G-HI (A) Series Configuration Guide

7.8 Configuration examples

7.8.1 Example for configuring congestion management

Networking requirements
As shown in Figure 7-9, the user use voice, video and data services.
CoS of voice service is 5, CoS of video service is 4, and CoS of data service is 2. The local
priorities for these three types of services are mapping 6, 5, and 2 respectively.
Congestion can easily occur on Switch A. To reduce network congestion, make the following
rules according to different services types:
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Figure 7-9 Queue scheduling networking

Configuration steps
Step 1 Configure interface priority trust mode.
Raisecom#name SwitchA
SwitchA#config
SwitchA(config)#interface gigaethernet 1/1/2
SwitchA(config-gigaethernet1/1/2)#mls qos trust cos
SwitchA(config-gigaethernet1/1/2)#quit
Step 2 Configure the profile for mapping from CoS to local priority.
SwitchA(config)#mls qos mapping cos-to-local-priority 1
SwitchA(cos-to-pri)#cos 5 to local-priority 6
SwitchA(cos-to-pri)#cos 4 to local-priority 5
SwitchA(cos-to-pri)#cos 2 to local-priority 2
SwitchA(cos-to-pri)#quit
For voice service, perform SP scheduling to grant high priority.
For video service, perform WRR scheduling, with weight value of 50.
For data service, perform WRR scheduling, with weight value of 20.
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