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Question Network speed dropped for no reason

B

Buffalo714

Junior Member
Transfers used to run 80-90 now everything seems to be running at 10. I've rebooted NAS, router, computers but it comes back up the same. Where should I start to look ? This really bothers me when moving large files. Went to copy some movies to my phone and system said it would be almost 4 hrs..
 
Just an ASUS RT AC68P router. I updated the firmware, updated all the drivers on comp shut it all down and started back up. Comp is hardwired to router. Router is showing connection to NAS as Gb but to comp as 100Mb, using CAT6 wire 75ft long. It is almost like a switch/toggle got changed some how as it use to run just fine and give me 80-90 thruput but now it runs at 11.
 
You didn't give units in your OP, so I'm going to assume that you're talking about MB/sec in Windows file copies to/from NAS on the LAN.

A 75ft cable is fairly long. It sounds like cable degradation (or NIC?), and it's only connecting at a 100Mbit/sec Link Speed, rather than Gigabit.
 
Router shows Mb/sec connection speed. File copy from NAS in win is MB/sec. After poking around in router found the other 2 comp's are showing 100Mbs when asleep, wake up and connection speed changes to 1Gb. The NAS is showing 1Gb all the time and my comp is showing 100Mb all the time. Could be the cable I've used it for a while 1yr maybe. Replace line to my comp with CAT6 when replace router.

Guess I should check the trans speed on other comp's.......
 
Unless checking the other computers turns something up, it does sound like either a cable problem or a problem with the NIC port on the slow computer. If you are using patch cables, it is even more likely to be the cable as those things tend to be fragile (especially the longer ones).

You might also check the slow computer to see if Windows has installed any driver updates lately that you need to roll back.

If the NIC port turns out to be bad, gigabit PCIe 1x cards are cheap (less than $20) provided you have an open 1x slot.
 
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10? Anywhere between 10-12? Then I'd check the cables. Hard limits of 10 or 100 usually mean speed was throttled back due to compromised cables.
 
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