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office building network design overhaul

I am about to overhaul one of my client's LAN from top to bottom. it's a 4 story office building with over 100 desktops, 30 printers and several servers a misc network equipment (nas, wap, etc)i have 4 Dell powerconnect switches.  my gateway will be a Sonicwall NSA device. Just need a few suggestions as to how to go about setting them up. 1st and foremost, to vlan or NOT to vlan? I was thinking of setting up a vlan for each floor. What do you guys think?
1 Solution
btanExec ConsultantCommented:
typically vlan is more of segregating if the traffic should not be mixed and data carried is of different sensitive and even protocol specific (like Voice vs Data). But I do see that for troubleshooting, if we simply plug out interface and isolate a floor during time of "crisis" or maintenance, it will be so easier and streamline the process to find root cause. but whether to do vlan, I supposed you have dept in different floor then and vlan trunking may also be considered to the core switches...
Ernie BeekExpertCommented:
You could set up a VLAN per floor or you could segregate it by machine type (desktops, printers, servers, nas, etc).
I think in this case you want to choose the setup that is the easiest for you to maintain/troublshoot. But that differs on a per person base.

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