Slow Upload speeds with Supermicro/i354

[pcie]

I have just installed Proxmox 3.3 onto the following system:

Supermicro SYS 5018A-TN4


I have it all set up and Tweaked with my VMs, but then I discovered that they system has slow Upload speeds from speedtest.net.

Download: 17.23 Mbits/s
Upload: 4.65 Mbits/s

I have shut down all my VMS and I am testing from the Proxmox console.

I have tried different network ports, but the Upload is still 25% of the uploads.


If I plug a normal laptop into my ISP I get the same speeds for both uploads and downloads.



Following is some info:

root@proxmox2:~# dmesg | grep Intel
Intel GenuineIntel
CPU0: Intel(R) Atom(TM) CPU C2750 @ 2.41GHz stepping 08
Performance Events: no PEBS fmt2+, generic architected perfmon, Intel PMU driver.
Intel(R) Gigabit Ethernet Network Driver - version 5.2.9.4
Copyright (c) 2007-2014 Intel Corporation.
igb 0000:00:14.0: Intel(R) Gigabit Ethernet Network Connection
igb 0000:00:14.1: Intel(R) Gigabit Ethernet Network Connection
igb 0000:00:14.2: Intel(R) Gigabit Ethernet Network Connection
igb 0000:00:14.3: Intel(R) Gigabit Ethernet Network Connection
iTCO_wdt: Intel TCO WatchDog Timer Driver v1.07rh


root@proxmox2:~# lspci | grep Ethernet
00:14.0 Ethernet controller: Intel Corporation Ethernet Connection I354 (rev 03)
00:14.1 Ethernet controller: Intel Corporation Ethernet Connection I354 (rev 03)
00:14.2 Ethernet controller: Intel Corporation Ethernet Connection I354 (rev 03)
00:14.3 Ethernet controller: Intel Corporation Ethernet Connection I354 (rev 03)



Any advice is appreciated.

Thanks,

-PC

 

[pcie]

I found an issue "similar" to mine, where the user mentioned something about options in the Proxmox kernel for I354 cards, but his resolution was to drop proxmox. It would be a shame if I had to start over without proxmox for such a weird issue.

https://communities.intel.com/message/251859

 

[soholingo]

i have this motherboard and will test and let you know if I have a similar issue. I had poor ceph performance and this may be the reason why...

 

[pcie]

Thanks, I'm curious. Actually, just determined that this is not a Proxmox issue. I loaded FreeBSD and Windows on the box and both have the same problem. I guess since they are part of the same circuitry - all 4 ports have the same problem. So this is most likely a hardware issue or something like that. Other than that, Proxmox worked great! I loaded PFSense on it, and I was able to use multiple ports, and VLANs - just with crippled uploading.

 

[soholingo]

Do you have the latest bios?

 

[WaltervdSchee]

I'm currently running the SuperMicro A1SAM-2750F motherboard, with the same C2750 / I354 interfaces.
Not seeing the issues here ?

Retrieving speedtest.net configuration...
Retrieving speedtest.net server list...
Testing from Chello (80.56.45.9)...
Selecting best server based on latency...
Hosted by INTERACTIVE 3D B.V. (Rotterdam) [14.89 km]: 12.663 ms
Testing download speed........................................
Download: 114.82 Mbits/s
Testing upload speed..................................................
Upload: 12.08 Mbits/s

Only slightly slower downloads, (should be 120 Mbits/s down, 12Mbits/s up.)

 

[pcie]

Yes, we did install the latest BIOS. This definitely looks like a physical problem. Thanks for the help - I'm not sure how/if can close this thread. I'm definitely impressed with Proxmox so far!