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Troubleshooting flowchart
Figure 6 Troubleshooting an ACL application failure
Solution
Choose a solution depending on the module that uses the ACL.
ACL used in a QoS policy
To resolve the issue when the ACL is used in a QoS policy:
1. Verify that the QoS policy is configured correctly:
a. Use one of the following commands to check the QoS policy for configuration errors,
depending on the policy application destination:
Destination Command
Interface
display qos policy interface
VLAN
display qos vlan-policy
Global
display qos policy global
b. If the QoS policy contains a class-behavior association, execute the display traffic
classifier user-defined command and the display traffic behavior
user-defined command to check for traffic class and behavior configuration errors,
respectively.
− If they are configured incorrectly, reconfigure them.
− If they are configured correctly, go to step 2.
2. Verify that th
e ACL is configured correctly.
Execute the display acl command to check whether the ACL is configured correctly.
{ If the ACL is configured incorrectly, reconfigure it.
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