Tom's Hardware > Forum > General Networking > Network General Discussions > Motherboard PCI-E nic no Jumbo frames or PCI Nic with jumbo frames

Motherboard PCI-E nic no Jumbo frames or PCI Nic with jumbo frames

Forum General Networking : Network General Discussions - Motherboard PCI-E nic no Jumbo frames or PCI Nic with jumbo frames

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panicatak   01-31-2008 at 04:44:03 PM

I have 4 Pcs which are connected Via a Gigabit switch that supports Jumbo Frames.

I am of the understanding that Jumbo Frames will improve the transfers on my network.

All my but one of my PCs support Jumbo frames,

The Board that does not is a server (Windows 2003) running on an Nvidia chipset (7050/630a). The Motherboard has a Gigabit Network support built in but according to the manufacturer does not support Jumbo frames. But this port is a PCI-E device.

I have a spare PCI Gigabit network card that supports Jumbo Frames.

So will I get better performance with the onboard with out Jumbo Frames or the NIC with?

The thing in my mind is the PCi bus bandwidth compared to PCI-E

The Spec:-
Antec Atlas + Hiper Type R 530W
7050/630a motherboard
Amd 3800+ X2 Freexer 64 Pro
2Gb Ram (2x1Gb)
4x Sata HDD
IDE DVD-RW
USB Cardreader
Windows 2003 Standard Edition


Message edited by panicatak on 01-31-2008 at 04:48:27 PM
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calyn   01-31-2008 at 04:51:32 PM
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Jumbo frames give a slight performance improvement and only when transferring large files over a network. Not really worth it imho.

------------------------------ Humans become confused when presented with too many choices, and will limit themselves only to an inefficient subset of the available choices or none at all.
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panicatak   01-31-2008 at 04:52:31 PM
- 0 +

Well if it helps the server holds my Divx collection

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calyn   02-05-2008 at 09:51:24 AM
- 0 +

If the files are large enough, about 1 GB and larger, and your harddrive can handle the sustained transfer rate you will see an improvement on HD quality. But your harddrive will have to read data at around 120MByte/s or more to notice, which implies the server has to have at least one RAID0 set to store the data. A faster network is nice, but generally harddisks are the bottleneck with average sustained transfer rates of around 80MB/s.

------------------------------ Humans become confused when presented with too many choices, and will limit themselves only to an inefficient subset of the available choices or none at all.
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