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landiiiks2

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PFSense and Internet Speed

PFSense v. 2.2.4, connected to a Comcast circuit with 30 down, 15 up.  A computer connected directly to the PFSense tests speeds at right about 30 / 15.  But if a switch is introduced, the speed drops to 2-4 / 10-12.  Several switches have been tried - all 10/100/1000, none managed or manageable.  Several computers have been tried.  Same result with each.  In each case only the testing computer and the PFSense were plugged into the switch - no other devices.  In the PFSense, the LAN interface is set to automatic and shows a connection at 1000 BT, full duplex.  What could possibly be happening that slows the internet down so significantly simply by virtue of introducing a switch?  And it should be noted that upload speeds are still good, it's just download that drops down significantly.   I do realize that the PFSense needs to be updated to a more recent version, and I will do that, but since the speed is just fine when the computer is directly connected I really don't think the version upgrade is the issue.  Any ideas are appreciated!
Avatar of Dan Craciun
Dan Craciun
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The only thing that comes to mind is a faulty UTP cable.

You could try a managed switch and mirror the ports, then capture the traffic. You'll probably see tons of red dropped traffic in Wireshark.

HTH,
Dan
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landiiiks2

ASKER

That's a great thought, but I forgot to say that I had changed out all the cables.  Also, the same cables that get the lower speeds through the switch gets fast speeds when directly connected.
Have you try bypassing the pfsense box to check the throughput of your switches?
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