infiniband nic

0. previous words: problems that have been plagued for a long time often occur before this problem, but because we cannot find a solution, we can only try to reinstall a new operating system, it is a waste of time, but it is barely solved. But it is always not good to solve the problem. after various searches and inquiries, I found the following very good solution. after testing, this method can perfectly solve this problem. 0. Previous words: long-standing problems These problems often occur be

Commands for Nic operations: 1. lsmod check whether the Nic module is loaded and whether the NIC driver is good. 2. dmesg: Check whether the NIC is detected. 3. ifupifdown enable/Stop the Nic 4. ifconfig check whether the NIC work

Multi-queue Nic is a technology that was initially used to solve the problem of network IOQoS (qualityofservice). later, with the increasing bandwidth of network I/O, the single-core CPU cannot fully meet the needs of the NIC, with the support of multi-queue NIC driver, each queue is bound to different cores through interruption to meet

VLAN configuration for linux Nic in virtual deployment (1) This article from Bkjia "Drop water stone Sun Jie" blog, original address: http://xjsunjie.blog.51cto.com/999372/1633815 If the switch port connected to the server has been configured with TRUNK in advance and allows specific VLANs to pass through, the server Nic must be configured with the corresponding VLAN; otherwise, it wi

Linux Multi-NIC Binding overviewThis article os:6.4 test here is four NIC bound 1 block bondWe introduce the Linux dual-NIC binding implementation is the use of two network card virtual become a network card, the aggregation of the device appears to be a separate Ethernet interface device, the popular point is that two network cards with the same IP address and p

In the broadband Internet everywhere today, ordinary netizens and network card contact opportunities are increasing; but because the network card is naturally inconspicuous, and always hiding in the chassis inside, so people's attention to the network card is not very high. In fact, the advent of broadband Internet access in the process of slow open pages, on the Internet when the fault continues, most of the time is due to the instability of the NIC,

increasingly prevalent. This article will introduce the multi-Nic bonding technology in Linux to describe this fault tolerance concept. Server load balancer is another feature of network card bonding. it can work with multiple network cards at the same time to improve the throughput of system network processing. 1. Nic load balancing mode (mode = BOND_MODE_ROUNDROBIN) 1) create a bond virtual device Crea

One. Nic Aliases1. Useful for Virtual Hosting2. Multiple IP addresses can be tied to an NTCEth0:1Eth0:2Eth0:33.ifconfig commandIfconfig eth0:0 192.168.1.100/24 up temporarily modifies the IP address and subnet mask of the NIC and fails after restarting the network service4.ip commandIP addr Add 172.16.1.2/16 dev eth02. When configuring aliases, there will be an incompatibility with the NetworkManager servic

Linux can always implement a complex function in the simplest way, especially in terms of NetworkEven if this function is considered to be available only on high-end devices, Linux can easily implement it. The previous articles have already said many times, such as VLAN functions, for example, advanced routing and firewall functions. This article focuses on Linux bonding, which is the functional module of port aggregation. It is undeniable that at the network device level, Linux has developed tw

In Linux Ubuntu, how does one modify the NIC name ?, LinuxubuntuIn Linux Ubuntu, how does one modify the NIC name? I. solution 1: 1. First, modify the physical configuration file of the NIC. If this file is not available, create a new one or copy a copy from the existing environment and modify the configuration as required. Vi/etc/udev/rules. d/70-persistent-net.

CentOS Nic startup, configuration and other ifcfg-eth0 tutorials Step 1 configure the file in/etc/sysconfig/network-scripts/ifcfg-eth0. It power CentOS under the ifcfg-eth0 configuration details: [root@localhost ~]# vim /etc/sysconfig/network-scripts/ifcfg-eth0DEVICE="eth0"HWADDR="00:0C:29:FD:FF:2A"NM_CONTROLLED="yes"ONBOOT="yes"IPADDR=192.168.1.31NETMASK=255.255.255.0GATEWAY=192.168.1.1BOOTPROTO=static The first three lines are system labels and are

An Ethernet NIC consists of two layers of the OSI (open-party system interconnection) model. Physical Layer and data link layer. The physical layer defines the electrical and optical signals, line statuses, clock baselines, data encoding, and circuits required for data transmission and receiving, and provides standard interfaces to data link layer devices. The data link layer provides addressing mechanisms, data frame construction, data error check, t

Article Title: Linux Network Administrator experience: Nic needs to be matched (figure ). Linux is a technology channel of the IT lab in China. Includes desktop applications, Linux system management, kernel research, embedded systems and open source, and other basic categories. I am a Linux Network Administrator, network topology 1. There are two key servers in the LAN, one is the master server, the other is the backup server, and the middle is connec

In-depth analysis of seven modes of dual-Nic binding in Linux, enterprises now use dual-Nic access, which can not only add network bandwidth, but also make the corresponding redundancy, it can be said that there are a lot of benefits. In general, enterprises use the Nic binding mode that comes with the linux operating system. of course, the

Vswitches are still commonly used, so I studied the switch failure caused by improper Nic mode. Here I will share it with you and hope it will be useful to you. I got to work early in the morning, my ass was not stable yet, and the Office was full of ringtones. I used to have a few computers in my office to normally access the internet yesterday, that is, the Internet access speed is very slow. Many colleagues are eager to query information online, so

EnvironmentCentOS: Version 7[Email protected] ~]# uname-alinux net592 3.10.0-123.el7.x86_64 #1 SMP Mon June-12:09:22 UTC x86_64 x86_64 x86_64 Gnu/linuxProblem 1:vmware Unable to identify the network card, causing the virtual machine not to surfIssue 2:vmware The virtual machine cannot bridge the network adapter, prompting that it cannot be changed to bridge mode no bridged host network adapters650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M01/5B/EF/wKiom1UWlJHS5a33AAE8fkXWThU530.jpg "st