DGS-3610# show interfaces fastethernet 1/15 switchport
Switchport is enabled
Mode is trunk port
Acsess vlan is 1,Native vlan is 1
Protected is disabled
Vlan lists is
1,3-4094
8.3.4 Configure Native VLAN.
One trunk port can receive/send TAG or UNTAG 802.1Q frames. The UNTAG frames are
used to transmit the traffic of the Native VLAN. By default, the Native VLAN is VLAN 1.
In the privileged mode, you can configure a native VLAN for a Trunk port.
To restore the Native VLAN list of the trunk to its default, please use the no switchport
trunk native vlan interface configuration command.
If a frame carries the VLAN ID of Native VLAN, the TAG will be automatically removed
when it is forwarded by the Trunk port.
When you set the Native VLAN of one interface to a non-existent VLAN, the switches will not
automatically create the VLAN. In addition, the native VLAN of one interface may not
necessarily exist in the VLAN list. In this case, the traffic of the native VLAN does not pass
the interface.
8.4 Showing VLAN
Only in the privileged mode can you view the VLAN information, including VLAN VID, VLAN
status, VLAN member port, and VLAN configuration information. The related commands are
listed as below:
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