It 242 Vlan Plan

Topics: Ethernet, Local area network, Computer network Pages: 2 (685 words) Published: November 11, 2011
WK 4 VLAN Plan

VLAN Plan
VLAN stands for Virtual Local Area Network is one of the latest network technologies that have been developed in the past few years. Local Area Network technologies are growing at an extremely fast pace and also the cost of the equipment required for implementing a secure network, has also become very expensive. The need for a cost effective networks but without compromising in network security and performance, paved the way for Virtual Local Area Network (VLAN), which can meet the above requirement (Regan, 2004). VLAN has a great deal of functionality to networks. They are created mainly for separating the network in to separate broadcast each representing separate functionalities or physical locations within an organization. An organization may have many departments such as R&D, Operations. VLANS can be implemented specifically for the Individual department within an organization. There are a few key things to be aware of when implementing a VLAN. In order to create a VLAN you need a layer 2 switch. There is a common misconception, that separate software installation is required for implementing VLAN through a network. VLAN’s require special hardware which is built in the switch; with each one created in a switch is a separate network. Depending on the infrastructure of the network and security policies, the assignment of VLANs can be implemented using two different methods: Static or Dynamic memberships. Static VLANs – Network Administrator statically configures the VLAN port assignment. VLAN memberships on the switch ports are assigned on a port-by-port basis. Dynamic VLANs – A VLAN management policy server automatically assigns VLAN ports. The MAC address of the node is used to determine the VLAN assignment. According to UC Davis Network, some of the benefits of implementing a VLAN include: Increased performance, Improved manageability, Network tuning and simplification of...

References: Regan, P. (2004). Wide area networks. New Jersey: Pearson Education, Inc.
UCDAVIS Network 21. VLAN Information. Retrieved October 5 2011, from http://net21.ucdavis.edu/newvlan.htm
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