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I'm confused about VLANS

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by mandms7

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I'm still somewhat of a newbie Network Admin, so excuse my ignorance. I'm not sure I understand the concept behind VLANS. For example, assume the Accounting department is on a separate VLAN from the Marketing department. However, both of them need access to the same servers. The only way, to my knowledge, for this to work would be for them to go through a router. Doesn't this essentially negate the effectiveness of the VLANs? Isn't there performance degradation associated with having to go through the router as opposed to just hitting the servers through a switch?

I'm sure I'm confused on multiple fronts, so any help would be appreciated.

5 replies

by tomsal

I had similar questions when I first started using and understand Vlans. I have information I can share with you, that I think will clear things up for you.

If you'd like to get hold of this I can put in an PDF file for you (make sure you have acrobat reader) and then send me your email address -- contact me through the peer directory.

We'll get you understanding VLANS.

Take care.

by naveenchatur7007

vlan is a logical lan (virtual)not physical.
the main role of server is to distribute the updation to the rest of the switches ,it can be server , client ,transparent switches.
it

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