Configuration of ConnectX-3 to work with Virtualbox
I have a dual port ConnectX-3 installed in a Dell R620 server running the followingCentos 6.6mlnx driver 2.4.1.0.0.1Virtualbox 4.3.28Guest OS also Centos 6.6Bridged network adapter pointing to p1p1...
View ArticleRe: Frequent TCP retransmissions with ConnectX-3 EN
> Thanks, So you're saying a retransmit is not observed specifically when you're bursting traffic, but it is more random on normal load? Yes seem like just a normal load. > What flow steering...
View ArticleWindows 8.1 workaround for direct connection?
I am trying to set up an Infiniband link between an Asus esc4000fdrg2 server running Windows Server 2008 R2, and a workstation running Windows 8.1. The server has a built-in Infiniband FDR port. I...
View ArticleRe: Frequent TCP retransmissions with ConnectX-3 EN
Hi Bud, Assuming you're using OFED 2.4 - Can you copy paste dmesg output when the low lever driver loads (mlx4_core) ? and you can also try optimizing the flow steering mode - just create a mlnx.conf...
View ArticleClik here to view.
Re: Windows 8.1 workaround for direct connection?
There seems to be a driver that might be able to work with 8.1 client : http://www.mellanox.com/downloads/WinOF/MLNX_VPI_WinOF-4_95_All_win2012R2_x64.exe I would go through the archives and install an...
View ArticleRe: How do I load the MLNX_OFED_LINUX driver into Debian 6.0.10?
did you find any answer?
View ArticleRe: Configuration of ConnectX-3 to work with Virtualbox
Hi, if you're using IP forwarding you might want to disable LRO on the interfaces, seems like the kernel is pointing to a bad packet flow because of it. ethtool -K <ethx> lro off Please try and...
View ArticleClik here to view.
Re: How do I load the MLNX_OFED_LINUX driver into Debian 6.0.10?
As far as I'm aware of there's no official package for Debian 6.0.10, so your best bet is to see if the package for 6.0.9 driver is able to compile using DKMS which is supported in these distributions.
View ArticleIs there a way to downgrade 40GE Adapter to 10GE?
Hi, I am working on following configuration: Mellanox Adapter: ConnectX-3 Pro FDR InfiniBand + 40 GigE (MX354A-FCCT) Mellanox Switch: SX1012 Mellanox Fibre Optic Cable: MC220731V-010(Upto 56Gb/s)...
View ArticleRe: Is there a way to downgrade 40GE Adapter to 10GE?
Hi Komal, You can change the switch port speed to 10G with: switch(config)# interface ethernet 1/x speed 10000 force
View ArticleRe: Is there a way to downgrade 40GE Adapter to 10GE?
Hi Eddie, Thanks for the reply.Any change required on adapter side as well?And can I use same cable(upto 56Gbps)?
View ArticleClik here to view.
Re: Is there a way to downgrade 40GE Adapter to 10GE?
Hi Komal, no change is needed from the adapter side.As for the cable, AFAIK it should work with 10GbE as well
View ArticleRe: Problem configuring and using IPoIB
Hi Trevor, are you still experiencing issues with IPoIB?if yes - can you please provide the opensm configuration file you are using (if exists) and the opensm command line you used in order to start...
View ArticleClik here to view.
Re: Problem configuring and using IPoIB
yes, I am still having this problem. Although at this point I believe my IPoIB config is correct and it seems to be a firmware issue. my opensm folder in /etc is empty so it looks like I do not have an...
View ArticleRe: Configuration of ConnectX-3 to work with Virtualbox
Found a similar comment on Google, but the recommended ethtool -K <ethx> gro off. That did not work, so went through and turned off all offloading in the driver, used ethtool with the...
View ArticleRe: Frequent TCP retransmissions with ConnectX-3 EN
> FC = Flow control, assuming it is enabled on the NIC (ethtool -a ethX) it is needed also to be enabled on every switch port on your Arista. Got it. It is enabled on the NIC $ ethtool -a p6p1...
View ArticleClik here to view.
Problems with ConnectX2(rev:b0)
I have a Mellanox ConnextX2 ethernet adapter and I having some issues receiving packets on it. I am sending simple layer 2 vlan tagged packets. I can see the packets were sent on the wire to the...
View ArticleRe: Frequent TCP retransmissions with ConnectX-3 EN
Erez, In looking at the VMA github repo Commits · Mellanox/libvma · GitHub it seems like there has been some work with ack timers and retransmits between VMA 6.8.3 (which ships with OFED 2.4) and VMA...
View ArticleClik here to view.
FreeBSD 10.1 ib0 does not bring link up at boot
I have a strange issue. I've set ib mode on FreeBSD driver 2.1.6 (same behavior on 2.1.5), and set ip for ib0. The issue that i'm facing is that after a reboot, i need to do ifconfig ib0 down...
View ArticleNo DHCP lease on boot
Using a ConnectX-3 with an 10Gb Ethernet port I installed Debian 8 (jessie). Booting is fine until I install the Mellanox OFED stack (3.0-1.0.1), at which point I no longer get a DHCP lease at boot....
View Article