Allied-telesis AT-S68 Instrukcja Użytkownika Strona 47

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AT-S67 and AT-S68 User’s Guide
47
Increased
Security
VLANs provide additional security not available in a shared media
network environment. Because a switched network only delivers frames
to intended recipients, and only broadcast frames to other members of
the VLAN, a network administrator can segment users requiring access
to sensitive information into separate VLANs from the rest of the general
user community.
Since data traffic generated by an end-node in a VLAN is restricted only
to the other end-nodes of the same VLAN, VLANs can be used to control
the flow of data in your network. It can also prevent data from flowing to
unauthorized end-nodes.
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