Ieee 802.1Q Vlan Application Examples - ZyXEL Communications GS2210-8 User Manual

as ATM at m uch lower cost while st ill being able t o use exist ing adapt ers and swit ches. Moreover,
t he current LAN st ruct ure can be ret ained as all port s can freely com m unicat e wit h each ot her.
Figure 3 High Perform ance Swit ched Workgroup Applicat ion

1.1.4 IEEE 802.1Q VLAN Application Examples

A VLAN ( Virt ual Local Area Net work) allows a physical net work t o be part it ioned int o m ult iple logical
net works. St at ions on a logical net work belong t o one group. A st at ion can belong t o m ore t han one
group. Wit h VLAN, a st at ion cannot direct ly t alk t o or hear from st at ions t hat are not in t he sam e
group( s) unless such t raffic first goes t hrough a rout er.
For m ore inform at ion on VLANs, refer t o
1.1.4.1 Tag-based VLAN Example
Port s in t he sam e VLAN group share t he sam e fram e broadcast dom ain t hus increase net work
perform ance t hrough reduced broadcast t raffic. VLAN groups can be m odified at any t im e by
adding, m oving or changing port s wit hout any re- cabling.
Shared resources such as a server can be used by all port s in t he sam e VLAN as t he server. I n t he
following figure only port s t hat need access t o t he server need t o be part of VLAN 1. Port s can
belong t o ot her VLAN groups t oo.
Figure 4 Shared Server Using VLAN Exam ple
Chapter 1 Getting to Know Your Switch
Chapt er 9 on page
GS2210 Series User's Guide
22
93.