15 
      Accounting Enable: 
        251 (Packets) 
The output shows that a total of 251 packets match ACL 3000. 
{  On Ten-GigabitEthernet 2/0/1 of Device C: 
<Sysname> display qos policy interface ten-gigabitethernet 2/0/1 
Interface:ten-gigabitethernet2/0/1 
  Direction: Inbound 
  Policy: count 
   Classifier: count 
     Operator: AND 
     Rule(s) : If-match ACL 3000 
     Behavior: count 
      Accounting Enable: 
        50 (Packets) 
The output shows that a total of 50 packets match ACL 3000. 
4.  Compare the traffic statistics on the two interfaces. Packet loss or forwarding fault exists 
between Device B and Device C. 
Related commands 
This section lists the commands that you might use for troubleshooting ACLs. 
 
Command Description 
display acl 
Displays configuration and match statistics for ACLs. 
display diagnostic-information 
Displays operating statistics for multiple feature modules in 
the system. 
display packet-filter 
Displays whether an ACL has been successfully applied to 
an interface for packet filtering. 
display qos-acl resource 
Displays QoS and ACL resource usage. 
display qos policy global 
Displays information about global QoS policies. 
display qos policy interface 
Displays information about the QoS policies applied to an 
interface or to all interfaces. 
display qos policy user-defined 
Displays user-defined QoS policies. 
display qos vlan-policy 
Displays information about QoS policies applied to VLANs.
display traffic classifier 
user-defined 
Displays traffic class configuration. 
display traffic behavior 
user-defined 
Displays traffic behavior configuration. 
 
Troubleshooting IRF 
This section provides troubleshooting information for common issues with IRF.