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I have a 150 node network that was broken up in to 4 VLANS. 1 for servers, 1 for each wing of the building and one for phones. when I copy a large file from the server to a workstation in the server vlan it is fast. if I copy that same file from the server to a workstation in one of the other vlans it is 10 times slower. Any idea why.

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What is routing between the vLans? Side note: you've got a strange vLan setup. – Chris S Apr 28 '11 at 15:46

Something's doing your routing, it's that you need to look at, it's either underpowered or your segments are too busy. Given you've told us very little that's all I can say without some actual details.

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