TRENDware TEG-S2500i, User Manual

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Benefits of VLANs
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Grouping users into logical networks for performance enhancement.
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Provides effective broadcasts containment between Segmented Ports, which prevents
flooding of a network.
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Offers security by completely isolating from each other the different Broadcast Domains
connected on separate Segmented Ports.
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Preserving current investment in equipment and cabling.
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Providing an easy, flexible, economic way to modify logical groups when needed.
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Network administrators can easily "fine tune" the network.
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Keeping network structure from the physical topology of the cabling.
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Making large networks more manageable.
You can group users according to some shared characteristic, such as a common business
function or a common protocol. A single switch may have several independent VLANs within
it. Below is a example that R&D, Manufacturing and Administration group can be partitioned
into two different VLAN group, even members in different group can’t talk directly, but they
still share the same server, such as MRP server, printer server in Adminstration group…etc.