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  • About This Document

Native VLAN

When an Untagged packet enters a Switch port, the Native VLAN (Port VLAN ID) will be attached to the untagged packet and forward frames to a VLAN specified VID part of the Native VLAN. A packet received on a given port would be assigned that port’s NATIVE VLAN and then be forwarded to the port that corresponded to the packet’s destination address. If the Native VLAN of the port that received the packet is different from the Native VLAN of the port that is to transmit the packet, the Switch will drop the packet. Within the Switch, different Native VLAN mean different VLANs, so VLAN identification based upon the Native VLAN cannot create VLANs that extend outside a given Switch. If no VLANs are defined on the Switch, all ports are then assigned to a default VLAN with a NATIVE VLAN equal to 1.

To enable Native VLAN functionality, the following requirements must be met:

• All ports must have a defined Native VLAN.

• If no other value is specified, the NATIVE VLAN is used.

• If you wish to change the port’s default NATIVE VLAN, you must first create a VLAN that includes the port as a member.

Click Apply to update the system settings.