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Mellanox ConnectX-3 very high cpu usage

I bought MCX311A-XCAT CX311A ConnectX-3 for my dev server with the idea to buy another one if this works for my pc. Currently my storage server and my pc have 2.5Gbe. They are all plugged into ...
NickSoft's user avatar
  • 298
0 votes
1 answer
352 views

NO-CARRIER after adding 10G interface to bridge

Here's how I created the bridged interface and added the 10G interface to it: sudo nmcli con add ifname kvbr0 type bridge con-name kvbr0 sudo nmcli con add type bridge-slave ifname eno1np0 master ...
user2233706's user avatar
1 vote
1 answer
658 views

linux 10gbe ixgbe (intel X550T) slow at 420mbyte/s max, p2p lan cat8 1m, tried ethtool and ifconfig options to no avail

first time dealing with 10gbe. I have two boxes, one is older with i7 2.8ghz from 2009 generation, pcie 2.0 and I just put the Intel X550T there to make use of absolutely similar but builtin adapter ...
tinfoil3d's user avatar
-1 votes
1 answer
602 views

Intel 82599EB Not Working on Linux

I have just received my new X310 + Intel 82599EB. I cannot ping the device. If I connect the X310 to the 1Gb ethernet port of my host then everything works fine; If I connect the X310 to the 10Gb ...
major4x's user avatar
  • 111
8 votes
3 answers
11k views

How to achieve multiple NFS/TCP connections to the same server?

I'm trying to maximize the NFS/TCP bandwidth between a Linux client and a single NFS server over a 10Gbps link. Although each NFS mount has its own device (major/minor), everything comes down to a ...
Benoît's user avatar
  • 1,351
2 votes
1 answer
3k views

10GbE be2net low pktgen performance

I am testing the network performance of two workstations, each having 2.4GHz Xeon quad core processors and NC550SFP PCIe Dual Port 10GbE Server Adapters, linked back to back. I've checked the ...
mrg2k8's user avatar
  • 91
1 vote
1 answer
7k views

Can't set NIC speed to 10Gbps using ethtool

We're using IBM Blade Center HS-22 servers with Broadcom NetXtreme II 10Gbps NICs to a Nortel 10Gbps switch. With one of the chassis the NICs can establish a 10G rate with the command "ethtool eth2 ...
MartyE's user avatar
  • 111
2 votes
2 answers
2k views

Linux Experts Riddle: Network output of 10MB/s on 10GB/s NIC

I have two CentOS 6 servers. I am trying to transfer files between them. Source server has 10GB/s NIC nd destination server has 1GB/s NIC. Regardless to the command used nor the protocol, the ...
user150324's user avatar
1 vote
0 answers
652 views

Do Gigabit ethernet single-mode fiber network adapters exist?

I am attempting to set up a server with a total of four single-mode fiber ports - two need to be at least 1Gb and two must be 10Gb. I have found a variety of 10Gb single-mode fiber network adapters (...
Albeit's user avatar
  • 161
3 votes
0 answers
13k views

ksoftirqd process overloads CPU with high-bandwidth and multiple network connections

I got a 10GBit Server with proxmox 2.1 installed. There's an OpenVZ container running with Ubuntu 10.04 64bit. I can get 200-300MB/sec with wget from data-center internal servers (-O /dev/null) which ...
The Shurrican's user avatar
0 votes
4 answers
8k views

Choosing 10GbE switch: 10Gb uplink module on 1GbE switch means it can act at 10Gb bandwidth?

confused between choosing a switch with 10Gb ports vs 1Gb layer3 switch which has optional 10Gb uplink port. are they same? that means I want to have a 10Gb pipe between storage server and the two ...
JMS77's user avatar
  • 1,285
4 votes
2 answers
2k views

Anyone can tell their experience with 10g Ethernet adapters on Linux

I wonder if any of you have an experience with 10g NICs (Intel, Myricom, SMC tiget, napatech, or by any other brand). Questions are: Was it easy to install, or a hassle, How does this adapter appear ...
Tzury Bar Yochay's user avatar