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separating VoIP traffic and corporate data network

Posted on 2006-11-09
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Last Modified: 2010-04-12
6 months ago we bought VoIP system for the office. There is 25 users now, and another 25 will be hired within 12-18 months. I am quickly running out of space on 48ports 3COM Managed switch.

Thinking of how to expand network I was planning to separate VoIP and corporate data into to subnets each one with its own switch. Until I've noticed that some of the employees have two or more Ethernet devices (PCs, network printers no incl phones). In which case, PC is plugged into the cubical port (2 ports total) and another devices uses phone's pass-through port.

So.... If I am going to separate VoIP and data to two different switches, thus I will need 10-15 4-port switches to reconnect all users with multi-nic-devices. Virtual switch won't help me since it work on ports not on MACs. With this issues, separation of VoIP and data does not look that appealing. Not that 4 port switches are expensive, but do I really need all this hassle for separate networking?

Any idea.. solutions... suggestions

Thanks in advance
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Question by:oozbooz
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FishMonger earned 2000 total points
ID: 17911887
If you want to separate the data and voice, which is the recommend approach, all phones need to be home run from the cubicles to a patch panel in the server room which then connects to your VoIP switches.

If you need to add multiple data ports at each cubicle, they should be home run to another patch panel.  If you can't install additional home runs, you can put 1 or more switches out at the cubicles.  If the cubicles are close enough together, you can use a couple 24 port switches and run patch cables from the switches to the cubicles.  Putting switches at the cubicles is easier than running additional home runs, but it's not the best approach.  You really should consider running the cable.
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