1-24 
<Sysname> system-view 
[Sysname] acl number 2000 
[Sysname-acl-basic-2000] rule permit source 10.1.1.0 0.0.0.255 
[Sysname-acl-basic-2000] quit 
[Sysname] traffic-statistic vlan 2 inbound ip-group 2000 
[Sysname] reset traffic-statistic vlan 2 inbound ip-group 2000 
Enabling the Burst Function 
Refer to Burst for information about the burst function.  
Configuration prerequisites 
The burst function is required.  
Configuration procedure 
Follow these steps to enable the burst function: 
To do…  Use the command…  Remarks 
Enter system view 
system-view 
— 
Enable the burst function 
burst-mode enable 
Required 
Disabled by default 
 
Configuration example 
# Enable the burst function on a Switch 4200G.  
<Sysname> system-view 
[Sysname] burst-mode enable 
Displaying and Maintaining QoS 
To do…  Use the command…  Remarks 
Display protocol packet priority 
configuration 
display protocol-priority 
Available in any view 
Display the 
CoS-precedence-to-Drop-prec
edence mapping 
display qos 
cos-drop-precedence-map 
Available in any view 
Display the 
CoS-precedence-to-local-prec
edence mapping 
display qos 
cos-local-precedence-map 
Available in any view 
Display the 
DSCP-precedence-to-Drop-pre
cedence mapping 
display qos 
dscp-drop-precedence-map 
Available in any view 
Display the 
DSCP-precedence-to-local-pre
cedence mapping 
display qos 
dscp-local-precedence-map 
Available in any view 
Display queue scheduling 
configuration 
display queue-scheduler 
Available in any view