Enabling Jumbo frames on NICs

SCSIraidGURU

New Member
My network speed was below 22 MB/s with 1500 byte frames.

I set my X7DWA-N Intel NIC to 9000 byte frames. My Thunder K8WE to 9014 byte frames.

Dlink gaming router DGL-4300
X7DWA-N
CAT 6 Plenum Grade solid wire backbone

Dlink DGS-2205 switch
Thunder K8WE
Fedora 7 web server
CAT 6 Plenum Grade solid wire backbone

Everything is CAT 6 and 1 Gbps. Vista reports 44 MB/s when copying 100 MB+ files. I am adding a DGS-2205 on the DGL-4300. The DGL-4300 does not support jumbo framing. I found how to do it in Fedora 7. Set MTU=9000 in a network file. I was expect closer to 70-80 MB/s. The Dlink DGS-2205 has a 10 Gbps fabric switch. I might put Intel server NICs in each workstation and server to match frame size. Any other suggestions?
 

My Computer

System One

  • CPU
    pair of Intel E5430 quad core 2.66 GHz Xeons
    Motherboard
    Supermicro X7DWA-N server board
    Memory
    16GB DDR667
    Graphics Card(s)
    eVGA 8800 GTS 640 MB video card
    Hard Drives
    SAS RAID
My network speed was below 22 MB/s with 1500 byte frames.

I set my X7DWA-N Intel NIC to 9000 byte frames. My Thunder K8WE to 9014 byte frames.

Dlink gaming router DGL-4300
X7DWA-N
CAT 6 Plenum Grade solid wire backbone

Dlink DGS-2205 switch
Thunder K8WE
Fedora 7 web server
CAT 6 Plenum Grade solid wire backbone

Everything is CAT 6 and 1 Gbps. Vista reports 44 MB/s when copying 100 MB+ files. I am adding a DGS-2205 on the DGL-4300. The DGL-4300 does not support jumbo framing. I found how to do it in Fedora 7. Set MTU=9000 in a network file. I was expect closer to 70-80 MB/s. The Dlink DGS-2205 has a 10 Gbps fabric switch. I might put Intel server NICs in each workstation and server to match frame size. Any other suggestions?

Looks like you got it all covered...Just remember if it reports 44MB/s copying files the real throughput will be 88MB/s because its reading/writing the files, so dubble any reported speed.

You can check this from the Performance Manager in taskman or Performance tools in control panel ;)

Steven
 

My Computer

Perfmon matches that figure. I did get it up to 65 MB/s.
 

My Computer

System One

  • CPU
    pair of Intel E5430 quad core 2.66 GHz Xeons
    Motherboard
    Supermicro X7DWA-N server board
    Memory
    16GB DDR667
    Graphics Card(s)
    eVGA 8800 GTS 640 MB video card
    Hard Drives
    SAS RAID
Back
Top