Configure Quality of Service 
465
 M4300 Series and M4300-96X Fully Managed Switches User Manual
Configure CoS Drop Precedence Settings
 To configure CoS Drop Precedence settings:
1.  Launch a web browser.
2.  In the address field of your web browser, enter the IP address of the switch.
The login window opens.
3.  Enter the user name and password. 
The default admin user name is 
admin and the default admin password is blank, that is, 
do not enter a password.
4.  Click the Login button. 
The System Information page displays.
5.  Select QoS > CoS> 
Advanced > CoS Queue Drop Precedence Configuration.
6.  Use Interface
 to specify all CoS configurable interfaces.
7.  Use Queue ID to specify all the available queues. 
Valid values are 0 to 6. The default is 0.
8.  Use Drop Precedence Level to specify all the available drop precedence levels. 
Valid values are 1 to 4. The default is 1.
9.  Use WRED Minimum Threshold to specify the weighted RED minimum queue threshold 
below which no packets are dropped for the current drop precedence level. 
The range is 0 to 100. The default is 40.
10. Use WRED Maximum Threshold to specify the weighted RED maximum queue threshold 
above which all packets are dropped for the current drop precedence level. 
The range is 0 to 100. The default is 100.