Basic HTML version of Foils prepared Dec. 6 98

Foil 17 Technology (2)

From Network Design for Internetworking Lectures at Xi'an Jaotong University -- Sept 1998. by Roman Markowski
1 VLAN
  • groups of networked computers that communicate as if they were on the same physical LAN subnet
  • VLAN is a logical broadcast domain
  • for 2 different physical network segments or VLANs to communicate with each other, Layer 3 devices, called routers, are required
2 Switching
  • Layer 2 switches can communicate via broadcast
  • Layer 3 switches switches with routing capabilities
  • Layer 4 switches allow to prioritize some vital applications
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