How to disable rx-vlan-offload?
Hi, We're seeing some issue with the MLX ConnectX 10 Gbps; more specifically, we see some packets getting a VLAN tag from a different flow. Our interface is configured to process tagged and untagged...
View ArticleRogue vlan tag added to untagged traffic?
Hi, We're seeing some issue with the MLX ConnectX 10 Gbps; more specifically, we see some packets getting a VLAN tag from a different flow. Our interface is configured to process tagged and untagged...
View Articlehow spread my net bandwidth when I used Send / receive or read / write...
Hello,Here is my story: i'm student and i need for my master thesis to do some benchmark about the bandwidth and the latency. For that i have 2 ConnectX-3 VPI Card (MCX353A-QCBT: 40/10 [Gbsps] for...
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Re: how spread my net bandwidth when I used Send / receive or read / write...
sorry i make a mistake about the value of the Size,with Infiniband as Link Type i got a bandwidth average with a value between 3630 MB and 3700 MB (28.35Gbit and 28.9 Gbit) for 64 Kbit up to 8 Mbit...
View ArticleConnect-3 EN MCX312A-XCBT & Consistent Network Device Naming
Hi, Trying to get a dual port Connect-3 EN MCX312A-XCBT configured under Ubuntu 14.01 and struggling with the device names. The first port seems to get named p6p1 as I would expect but the second port,...
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Re: Connect-3 EN MCX312A-XCBT & Consistent Network Device Naming
Well to answer my own question, I was able to add a rule to /etc/udev/rules.d/70-persistent-net.rules to name the device: SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*",...
View ArticleIs ibdump in Mellanox OFED 2 supported in Ubuntu 14.04?
Hello. I have Ubuntu 14.04. I have Mellanox Technologies MT27500 Family [ConnectX-3] HCAs. I was able to pass all the tests like ibping and ib_rdma_lat.Now I'm running MPI tests to verify that...
View ArticleConnect QSFP to QSFP (custom board design)
We are in the process of developing a new set of custom boards with a custom serial protocol. We are prototyping this using FPGA development boards from Altera which can take QSFP modules and other...
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Where can I find isr 9024-d firmware releases?
I bought an isr 9024d and want to reflash the firmware. I was wondering where I can find firmware releases for this model? -cmk
View ArticleNeed help on installing Mellanox OFED on RHEL 6.4
Hi all, Recently I downloaded the Mellanox OFED [ MLNX_OFED_LINUX-2.2-1.0.1-rhel6.4-x86_64.tgz ] and tried to install using mlnxofedinstall script on my rhel system with kernel...
View ArticleRe: Where can I find isr 9024-d firmware releases?
Hi Chris, You can download the EOL 9024 software at:http://support.mellanox.com/SupportWeb/service_center/EOL_products/ISR9024/downloads
View ArticleRe: Is ibdump in Mellanox OFED 2 supported in Ubuntu 14.04?
Hi Grigory, ibdump 1.0.5.4 doesn't support ConnectX-3, and currently there is no ibdump version that supports Ubuntu/ Debian. Currently there is no alternative for IB traffic on Ubuntu Machines. I...
View ArticleRe: Where can I find isr 9024-d firmware releases?
Since this is a long gone (EOL) product, I also placed a (definite) last time version and documents package on the following FTP location: ftp server: ftp.support.mellanox.comuser: 9024-dpass:...
View ArticleRe: Need help on installing Mellanox OFED on RHEL 6.4
Hello, This is a known issue with the driver and kernel version you're using and is supposed to be fixed in the next driver release. Regardless, you shouldn't be putting your faith on this script in...
View ArticleRe: Need help on installing Mellanox OFED on RHEL 6.4
Hi Erez, Thanks for your valuable response. "ibv_devinfo" correctly displayed the hardware details. And "ibstat" shows that the link is up and active. I will let you know if I come across issues...
View Articlemessage "SUBNET UP" is not found in log files
I installed successfully MLNX_OFED_LINUX-2.2-1.0.1-rhel6.4-x86_64 on rhel6.4 machine with kernel 2.6.32-358.46.2.el6.x86_64. Then I started two daemons 1.)/etc/init.d/openibd2.)/etc/init.d/opensmd If...
View ArticleRe: Am i able to use SFP+ 10Gbase-SR with MCX312A-XCBT adapter?
FTLX8571D3BCL works fine.
View ArticleRe: Loud Fans in MSX6005
Hi Peter, the MSX6005 is an un-managed switch means, it has no internal management board and therefore there was no way to run any logic that sets the fan speed according to temperature. Because of...
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Re: SR-IOV CentOS 7 Host and CentOS 6.4 guest performance and right set up
Did you go thought Mellanox tuning guide? If system not tuned it can explain these variations in performance.
View ArticleRe: OFED version support on mixed environment
Hi, to begin with, you will need to review the OFED release notes documents to determine whether you can use a certain version of OFED with a certain version of OS/Kernel.Mellanox Products: Mellanox...
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