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Configuration Guide - Ethernet Switching

S7700 and S9700 V200R011C10

This document describes the configuration of Ethernet services, including configuring link aggregation, VLANs, Voice VLAN, VLAN mapping, QinQ, GVRP, MAC table, STP/RSTP/MSTP, SEP, and so on.
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QinQ Traffic Forwarding Fails Because the Outer VLAN Is Not Created

QinQ Traffic Forwarding Fails Because the Outer VLAN Is Not Created

Fault Symptom

After selective QinQ is configured on an interface, traffic forwarding fails.

Procedure

  1. Run the display this command in the view of the interface configured with selective QinQ to check the outer VLAN tag.
  2. Run the display vlan summary command in any view to check whether the outer VLAN has been created.
    <HUAWEI> display vlan summary
    Static vlan:                                                                    
    Total 3 static vlan.                                                            
      1 9 to 10                                                                     
                                                                                    
    Dynamic vlan:                                                                     
    Total 0 dynamic vlan.                                                           
                                                                                    
    Reserved vlan:
    Total 0 reserved vlan.
    • If the command output contains the outer VLAN ID, the outer VLAN has been created. Continue to check for other common misconfigurations.
    • If the command output does not contain the outer VLAN ID, the outer VLAN is not created. Run the vlan batch command to create a VLAN and check whether QinQ traffic can be correctly transmitted. If traffic forwarding still fails, continue to check for other common misconfigurations.
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Updated: 2019-10-18

Document ID: EDOC1000178310

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