network recommendations

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network recommendations

Postby charlienyc » Thu Nov 12, 2015 20:43

does anyone have a recommendation for a NIC for an AVID S3 attached to the same computer as a NAS and Ravenna? the NAS runs on the onboard NIC and Ravenna on the Merging card.
should i get a gigabit switch instead of a third NIC to handle the NAS and S3?
2x MassCore v10.1.4 Win7/64 i5-3450
3x Horus w/3 AD8p, 6 AD8, 1 DA8, 2 DA8p
Native v10.1.4 Win7/64 Pro i7 HP
Native v10.1.4 Win10 Bootcamp Mac Mini i5-4278U 2.6GHz
Native V8.1 Win7/32 Xeon 3520 2.67GHz RME HDSP MADI
Native V8.1 Win7/32 ThinkPad R61
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Re: network recommendations

Postby mpdonahue » Sat Nov 14, 2015 02:38

Charlie,
There are basically 2 classes of NICs, those with TCP/IP Offload and those without.
The fundamental difference is the offload NICs do the IO processing on the card whereas the others use CPU cycles to do the processing.
My suggestion is to look for an Intel chipped offload NIC with the number of ports to do what you want.
Next thing to learn about is network optimization and IP address space for private networks.....The normal source of problems in Ravenna networks is poor IP address allocation.
All the best,
-mark
*********************
Mark Donahue
Soundmirror, Inc.
Boston, MA
mark@soundmirror.com
www.soundmirror.com
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Re: network recommendations

Postby robertopisa » Sat Nov 19, 2016 15:07

If you use ASIO Merging Ravenna driver, it may help also to run some netsh optimisations.

Login as administrator and open the CMD terminal from the Windows start menu.
Run the following command to see the current status (and to resume that in case of issues):

Code: Select all
netsh interface tcp show global


In my case, I changed the three items indicated below by an arrow:

Image

Commands are the following ones, you can try one at time, you have to reboot to take them into effect:

Code: Select all
netsh interface tcp set global rss=disabled
netsh interface tcp set global chimney=enabled
netsh interface tcp set global autotuninglevel=highlyrestricted


Smoother network traffic and improved sound image is the effect.

Before running what I described above: if you want to go further in the optimization, you may want to try the free SpeedGuide TCP Optimizer, which allows you to make a backup of the settings, so you can roll back to your previous situation if you do not like the new one. I chose the optimal configuration, and let TCP Optimizer change my settings. After that, I ran the netsh commands that I mentioned above. You can download SpeedGuide TCP Optimizer here:

http://www.speedguide.net/downloads.php

At the end, it is safe to rerun the installation of the ASIO Merging Ravenna driver, option "Repair", to be sure that everything is ok.

-Roberto
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