PLANET XGS3-24042 - Manual (Page 191)

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21.4 Flexible QinQ Troubleshooting
If flexible QinQ policy can not be bound to the port, please check whether the problem is caused by the
following reasons:
 Make sure flexible QinQ whether supports the configured class-map and policy-map
 Make sure ACL includes permit rule if the class-map matches ACL rule
 Make sure the switch exists enough TCAM resource to send the binding
 Priority of flexible QinQ and vlan ingress filtering for processing packets is: flexible QinQ > vlan ingress
filtering