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Switches bring high performance and easy administration
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Virtual LAN (VLAN) technology solves the problem of broadcast floods in switching network by segmenting it into smaller domains (broadcast traffic is contained within these domains)
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VLAN is a collection of workstations grouped by logic instead of geography
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Routers interconnect VLANs and filter out unnecessary broadcasts between them. Inter-VLAN communication can be controlled by access lists and traffic filters
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Design and management of VLANs can be an administrative nightmare
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