User`s manual

Sample VLAN Applications
Here are some examples of how different types of VLANs solve business and network traffic dilemmas.
Users in the Engineering Department have highly sensitive material that needs to be protected.●
Solution: Create firewalls by placing each user into his or her own MAC-based VLAN. Traffic to
that VLAN is intended only for that user. No one can listen to that user’s traffic because it never
goes onto any other segment. Or, you can ensure greater security by dedicating a switch port to
each user in their own port-based VLANs, creating both a physical and a virtual restriction.
Users in the Accounting and Manufacturing Departments need guaranteed access to the
mainframe via SNA.
●
Solution: Create a protocol-based VLAN and set a priority level for this traffic using Quality of
Service. These users are members of other VLANs—such as the corporate email VLAN—but their
SNA traffic will always be handled as the Switch’s first priority traffic.
The Sales Department has mobile, laptop users who need to dial in and often work from different
company branch locations.
●
Solution: Create an IP subnet VLAN using IP addresses to identify each user. Regardless of
where they are on the corporate network, or which docking station or network jack they use, they
will be located.
The company’s top executives—the President and Vice Presidents of all departments—need
access to the Accounting, Sales and Manufacturing VLANs.
●
Solution: Make each executive a member of each departmental VLAN.
A member of the Accounting VLAN sits in the Sales Department, using the Sales Department
printer. Each time he prints, the print job travels over the router to the printer.
●
Solution: Make the printer a member of both the Sales VLAN and the Accounting VLAN.
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