Vanguard Managed Solutions 342 installation manual LAN Segmentation

Target Applications

LAN Segmentation

Introduction	Traditional LAN segmentation allows grouping users and avoiding common
	problem where packets are forwarded to LANs with no need for them. It allows also
	isolating a secure area from a public one. When separate networks are needed or if a
	network has reached its physical limitations, segmentation is used. Segmenting a
	LAN can extend the network, reduce congestion, isolate network problems, and
	improve security.
	• Extend the Network - When the maximum physical limitations of a network
	has been reached, routers may be added to create new segments to allow addi-
	tional hosts onto the LAN.
	• Reduce Congestion - As the number of hosts on a single network increases,
	the bandwidth required also increases. Segmentation limits your segment to
	traffic intended for your users.
	• Isolate network problems - By dividing the network into smaller sections you
	limit the amount of data and problems from other segments..
	• Improve Security - By using segments a network can be isolated from outside
	sources.

Figure 1-9. LAN Segmentation

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