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26 Jul 2011  
zigzag3143

Win 8 Release candidate 8400
 
 

Quote   Quote: Originally Posted by YoMaMMa186 View Post
I have a home server running Windows 7 Ultimate x64 on a PC with an Asus P5N-D motherboard. (nVidia 750i SLI chipset, nForce 10/100/1000 NIC)
We have around 10TB of hard drives connected to it and all are in RAID 1. (two 2TB+2TB arrays with Seagate Green drives and one 1TB+1TB array with Seagate 7200.12 drives)
Randomly, it will decide to slow down from gigabit to 100mbps. (My router shows gigabit as orange and 100mbps as green)
That's very unfortunate for us seeing as we transfer hundreds of gigs of data through it regularly.
If I unplug the cable from my router (Netgear N600 DR3700, DD-WRT v24-sp2 (02/17/11) st) and immediately reconnect it, it goes back to gigabit. (The light also switches from green, 100mbps, to orange, gigabit)

Here is a screenshot of my advanced network settings box.

Attachment 167011

And here are the settings I have selected:

Network Address: Not Present
Priority and VLAN: Priority Enabled
Speed/duplex settings: Auto Negotiation
VLAN ID: 1
EVERYTHING else is set to Disable

Under Power Management, "Allow .... turn off to save power" is unchecked.
Any help? I'd rather it stay in gigabit mode.
Thanks.
Can we assume the usual? CAT6 enhanced cable, short runs (<10 meters)? How many devices are wired through the router? Are all devices terminated correctly (old school question)?

If push comes to shove you can throw a packet analyzer on it to see how many re-transmits there are.
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