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RedHat6.5 Nic problem summary Problem description: Prepare to use RedHat6.5 to install Oracle 12c RAC. After the system environment is ready, find that the configuration of the new RedHat Nic is not the same as before. The problem and solution are summarized as follows: 1. The eth0 file cannot be found. In the use of RedHat6.5, the new installed system, found that no eth0
Eth0, eth1, eth2 ...... Indicates network adapter 1, network adapter 2, network adapter 3 ......Lo represents 127.0.0.1, that is, localhost Refer: Linux Command: ifconfig Function Description: displays or sets network devices. Syntax: ifconfig [network device] [down up-allmulti-arp-promisc] [add Note: ifconfig can be used to set the status of network devices or display the current settings. Parameters: The name of the [network device] network device. Down to disable the specified network device
RedHat 6.1 Nic binding 1. disable the NetworlManger service. Otherwise, the service NetworlManger stopchkconfig NetworlMangeroff www.2cto.com will conflict with the bond Nic. modify/etc/sysconfig/network-scripts/ifcfg-bond0 configuration file DEVICE = bond0 BOOTPROTO = noneIPADDR = 192.168.1.11NETMASK = 255.255.25.0 ONBOOT = yes USERCTL = noBONDING_OPTS = "mode = 1 miimon = 50 "// set the running mode of th
Linux IP alias and multi-nic binding (I) Nic advanced command www.2cto.com ① mii-tool eth0: View Nic status ② ethtool view Nic settings ethtool-I eth0: View NIC Driver ethtool eth0: view the physical characteristics of the network card ethtool-S eth0: view the underlying sta
Bind an IP address to a Linux dual-nic. The actual task is to use two NICs as one. Using the same IP address is a better and faster service. Here we use RHLE3 to experiment on this job. Bind an IP address to a Linux dual-nic. Here we will introduce the specific practices. The following section describes some problems. NIC) The binding technology helps to ensure h
One machine may have more than one Nic, but each Nic has only one MAC address, and each Nic may have multiple IP addresses. For example, in a normal laptop, there will be two types of wireless Nic and wired NIC (Network Interface). Therefore, if you want to obtain the IP and
In this section we will create the first mail server, as shown in:650) this.width=650; "height=" 702 "title=" clip_image002 "style=" Border-top:0px;border-right:0px;background-image: none;border-bottom:0px;padding-top:0px;padding-left:0px;border-left:0px;margin:0px;padding-right:0px; "Alt=" clip_image002 "src=" http://s3.51cto.com/wyfs02/M02/83/A0/wKioL1d43YuSTJHmAAEcIPJSFDo567.jpg "border=" 0 "/>In order to separate the DAG replication data from the mailbox MAPI data, we configure the dual
First, the configuration of the port group in the actual situation of the use of many scenarios, partial redundancy mainly to solve the single point of failure. Many are in combination with Ha, VRRP, HSRP, switch stacking and many other practical scenarios.All right, no nagging, just "meal".The first step:Configuration Broadcom NIC Group to broadcom network card Group is enabled on the NIC, need to be inst
CentOS for Linux (5)-nic configuration, linuxcentos [Statement] Reprinted, but keep the original source of the article → _ → Life One: http://www.cnblogs.com/smyhvae/ Source: http://www.cnblogs.com/smyhvae/p/3932903.html Contact: smyhvae@163.com [Body] Linux: Centos 6.5 Linux: Centos 7 Previously, we used the remote tool SecureCRT and assigned linux an IP address through the "ifconfig eth0 + specific IP Address" command (refer to my blog: use of the
In the RAC environment, sometimes the NIC or IP address needs to be changed. Here, we will record the procedure (refer to metalink documentation: 283684.1 ). 1. Check the configuration of the current PUBLIC Nic and private nic: test1:/home/oracle> $ oifcfg getif Eth1 10.0.100.0 global cluster_interconnect Eth0 172.19.20.0 global public2. Change the PUBLIC
This method is used to solve the problem where the new Nic is changed to eth1 and the source Nic name is eth0, which cannot be used by the new Nic. It can also be used to rename a nic. After the nic mac address is changed, find the NIC
Article Title: kernel learning-Linux NIC Driver Analysis. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. Learning should first simplify the problem and complicate the problem. Starting from the very beginning, we began to deal with complicated problems, which would inevitably make people feel stunned and stretched
Before Windows Server 2012 we were on the server if we were to implement a dual-NIC binding, we would need the appropriate software for the server manufacturer, but now the advent of the powerful Windows Server 2012 saves us all the hassle, Because the operating system itself has a dual-NIC binding function, how to achieve this function, the following we use the experiment to explain to you:The following tw
The Linux Nic is changed from eth0 to eth1. how can I fix the problem of installing linux using wmware? after the installation is successful, the NIC is eth0 without eth1. However, after a period of time, you do not know why eth0 cannot be used, but the system automatically generates the eth1 Nic. you can use the ifconfig command to view it... the Linux
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
This is the 6th chapter in the OpenStack implementation experience sharing series. In the implementation of the project, often there is the need to add delete NIC. For example, a running database instance, initially only a network card, database services and backup shared this NIC, and later to improve performance and compliance requirements need to add a network card dedicated to backup. For a long time,
Step 1: collect information dmesg to view the startup and output information of the kernel and check whether there is any information related to the NIC, check if the NIC recognizes ifconfig-a and shows all the Nic lspci | grepEthernet check the Nic model lsmod to see if the NIC
From: http://hi.baidu.com/ucat/blog/item/d33d44f4fe14026cddc4748e.html Extract:1. display and use the device command:Lspci orLspci-V 2. Check whether the job is running:Lsmod 3. NIC driver is the file ending with. Ko 4. NIC Driver Module storage directory [release version number view command: uname-R]:/Lib/modules/release/kernerl/Drivers/Net 5. In Linux, Nic doe
When discussing this issue, we need to clarify one question first: we know that in the early SAN storage system, serversAndThe data transmission of a vswitch is performed through optical fiber cables. Because the server transmits SCSI commands to storage devices and cannot use the IP protocol of a common lan network, FC transmission is required.It is called the FC-SAN, and later appeared with the IP protocol encapsulation of San, can completely take the common lan network, so called the IP-SAN,
My centos5.5 NIC driver is r8169, and the latest driver is r8168 on the official website. This makes me feel weird. doesn't r8169 represent the driver version, or r8169 is not officially developed. Just in case. The following describes how to replace the NIC driver instance in centos5.5. 1. view the Nic model and machine number of digits. 1. view the
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