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24 Port Fast Ethernet Web Management Switch User Manual
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4.5. VLAN Setting
VLAN divides the devices of the LAN logically into different segments (not physically) to
fulfill virtual work group. In order to setup secure and independent broadcast or multicast
domain, the switch can be divided into multiple VLAN. The establishment of VLAN restricts
spread extension and reduces the influence of broadcast packets. All Ethernet packets, e.g.
unicast, multicast, broadcast and unknown packets can only be transmitted in VLAN, which
improves security
The other advantage of VLAN is it can change topological structure of network, but physical
movement of workstation or line link of network are not needed
4.5.1.
VLAN Mode
Figure 4-18
This option can change VLAN mode. The switch support tag VLAN and port-based VLAN.
VLAN configuration divide LAN into several logical LAN, depends on you. Configure
correctly can improve security and performance and reduce VLAN management greatly.
Click change mode, VLAN mode can be changed between tag-based VLAN and port-based
VLAN.
4.5.1.1. Tag-based
VLAN
Tag-based VLAN is usually called 802.1Q VLAN. It divides network connection of LAN
logically and supplies connection service between several VLAN, which make VLAN
connection between different manufacture possible.
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