Description of the problem

When you configure Ethernet private line services, do not confirm or know whether the services to be accessed are VLAN-tagged, and do not need to use the Layer 2 switching function of the Ethernet veneer board of the transmission equipment, you can use the following method to set an EFS or the like veneer with Layer 2 switching function to be used as a purely passthrough EFT veneer.

Alarm Message

None

Processing

1. Open the Ethernet interface management interface of the board in the network management, select internal port-TAG attribute, and select the entry detection corresponding to VCTRUNK as forbidden and apply it;

2. Select the external port-TAG attribute, select the corresponding PORT port entry detection as forbidden and apply it, then the corresponding channel of the EFS board can be converted into a pure pass-through channel;

Root Cause

not have

Recommendations and conclusions

This function effectively avoids the problem of service not being available due to VLAN tagging when configuring services.

Note: Modifying the entry detection function of VCTRUNK and PORT ports cannot be modified with services, and you need to delete the configured services before modifying them.

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