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How to get faster data transfers with a switch and router?

post #1 of 7
Thread Starter 
So I've got a Netgear GS108 switch plugged into an ASUS RT-N16 router running tomato which is then connected to the internet through an SB6141 modem. What I'd like is to have faster transfers from computer to computer but I can't seem to get them running much faster than 40 MBps (320 Mbps). I have both of my computers plugged into the switch and they're both running Windows 8 and the way I'm transferring data now is just using network drives because it's the easiest way I know and I was wondering if anyone had some suggestions on how to speed up my transfers.
Limeworks
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Limeworks
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post #2 of 7
ftp server client. Is what I've heard will get you more through output
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Special fried H2O
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post #3 of 7
Transfer speeds can depend on a lot of things. Does your source computer have a fast enough read speed to saturate the (I'm guessing) 1Gbps connection? Same goes for the other, can it sustain a ~112MB/s write? Also what kind of files are you transferring? A single, large movie file for example will transfer much faster than hundreds of smaller files. The switch supports 9,720 bytes for jumbo frames, can your router with tomato do that as well? If it can I suggest enabling that and also enabling it on your computers if jumbo frames are supported in the NIC drivers.

Also you can try eliminating the different variables to see where the bottleneck is. Have you tried just using only the switch or only the router as the interface between them? You can even try a direct computer-computer link if you have a crossover cable.
    
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post #4 of 7
What NICs do your computers have?

Try transferring one LARGE file (8GB+) and benchmark that.
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post #5 of 7
Thread Starter 
I just enabled jumbo frames for my T420 and desktop and configured them to a frame size of 9014B because that's the largest size my laptop supports and configured it to the same size on my router and desktop. My speeds increased to 50MBps so that definitely helped out a bit. Unfortunately, I don't have a crossover cable and my router is rather far away. Would the computers connect to each other with just the switch between them? One of my drives can push 100MB/s and I've been using that to test out my large file transfers so it shouldn't be rate limited yet.

I have dual Realtek Gbit NICs in my desktop and an Intel 82579LM Gbit NIC in my laptop.
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Limeworks
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Dell 23" SP2309W Dell 20" 2007FP IBM (Lexmark) Model M Antec NeoPower Blue 650W 
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post #6 of 7
50-100 MB/s over wired LAN? That seems about right....

100Mbps would be 12.5MBps... be thankful its faster than that tongue.gif
post #7 of 7
Yes you can connect multiple computer with just a switch between them, I'd give that a try. As long as all of your drives can support over 100MB/s read/write speeds you should be able max out the gigabit connection. Between my desktop and server I transfer at around 112MB/s for very large files.

If you have some sort of real-time anti-virus protection enabled, that could slow down file transfers if it's trying to read/scan the incoming data as you're transferring it. I'm not completely sure how much of an impact that would have on transfer speeds (if at all, I don't really keep up with all them anti-virus programs), but you can try temporarily disabling it if you have something like that running.
    
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CPUMotherboardGraphicsRAM
Intel i7 3770k 5GHz Gigabyte Z77X-UD5H XFX Double Dissipation R9-290 2x8GB G.Skill Ares 1866MHz 
Hard DriveOptical DriveCoolingCooling
OCZ Vertex 4 256GB SSD LG DL DVD Burner Koolance CPU-380I EK Radeon R9-290 Acetal 
CoolingCoolingOSMonitor
Swiftech MCP 655 EK CoolStream XTX 360 Windows 7 Professional x64 24" Sceptre X24WG 
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