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Web Smart Gigabit Switch Family User's Guide
TL-SG2109WEB/TL-SL2210WEB/TL-SL2218WEB/TL-SL2428WEB/TL-SL2452WEB
trafc is generated.
4.4.1 VLAN Mode
There are 3 types of VLAN mode support in the switch:
1) Port VLAN
VLANs are divided basic on ports.
2) IEEE802.1Q Tag VLAN
The IEEE802.1Q protocol define a new format of the frame, it add a tag
header in the original Ethernet frame, as follow:
Figure 4-1. IEEE802.1Q frame
IEEE802.1Q Tag VLAN is divided by VLAN ID (VID). On receiving a frame,
switch check the VID in the tag header of the frame to decide which VLAN it
belongs to. If the receiving frame doesn’t contain the tag header, switch will
assign a tag to the frame, using the PVID of the port as its VID.
3) MTU VLAN
MTU VLAN(Multi-Tenant Unit VLAN)dene an uplink port, the uplink port will
buildup several VLANs with each of the other ports. Each VLAN contains two
ports, the uplink port and one of the other ports in the switch, so the uplink port