thus keeping the VLAN information intact. The VLAN information in the tag can then be used by other 802.1Q compliant devices on the network to make
。Untagging: Ports with untagging enabled will strip the 802.1Q tag from all packets that flow into those ports. If the packet doesn't have an 802.1Q VLAN tag, the port will not alter the packet. Thus, all packets received by and forwarded by an untagging port will have no 802.1Q VLAN information. (Remember that the PVID is only used internally within the Switch). Untagging is used to send packets from an
Frame Income | Income Frame is tagged | Income Frame is untagged | |
Frame Leave | |||
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Leave port is tagged | Frame remains tagged | Tag is inserted | |
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Leave port is untagged | Tag is removed | Frame remain untagged | |
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VLAN Group Configuration
Figure
1.Click the hyperlink "VLAN Configuration" to enter the VLAN configuration interface.
2.Select “802.1Q” at the VLAN Operation Mode, to enable the 802.1Q VLAN function.
3.Click 
to create a new VLAN group. Then the VLAN Group column appears.
4.Input a VLAN group ID and available range is
5.Select specific port as member port and the screen in Figure
45