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simple question about VLAN

Posted on 2004-04-06
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Last Modified: 2010-03-18
hi, all

these days company recable the whole network...

some guy told me the switch we have do not have Vlan capabilities.

Could some one told me what is VLAN...what is the usage in networking...

Thanks a lot.
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Question by:robinyanwang
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robinluo earned 1000 total points
ID: 10769353
I quoated this part from Sybex CCNA book. Hope this helps.

Virtual Local Area Network (VLAN) is a logical grouping of network users and resources connected to administratively defined ports on a switch. By creating VLANs, you are able to create smaller broadcast domains within a switch by assigning different ports in the switch to different subnetworks. A VLAN is treated like its own subnet or broadcast
domain. This means that frames broadcasted onto a network are only switched between ports in the same VLAN.

Using virtual LANs, you’re no longer confined to creating workgroups by physical locations. VLANs can be organized by location, function, department, or even the application or protocol used, regardless of where the resources or users are located.
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Author Comment

by:robinyanwang
ID: 10770426
great, that is what i need.
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Author Comment

by:robinyanwang
ID: 10770436
hehe, we are all Robin...
thank you, Mr Luo.
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Expert Comment

by:robinluo
ID: 10771073
You are welcome, Wang? From China? if I may ask...
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Author Comment

by:robinyanwang
ID: 10778858
yes, Beijing China.
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