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How to adjust GI configuration after renaming a private Nic in Oracle 11gR2 RAC Environment

How to adjust GI configuration after renaming a private Nic in Oracle 11gR2 RAC Environment Environment Description: AIX + 11gR2 RAC dual-nodeCause: the two NICs used for private network communication use a gigabit Nic. Now, they need to be replaced with a 10-Gigabit Nic. Because a 10-Gigabit Nic is a card and a port, the original

Cable purchasing for network cabling

Category 5. Category 6, Category 6, and category 7 are basically self-styled by manufacturers. Because more than five categories of standards have already been introduced, some manufacturers have produced a type of technical indicator that is better than five categories, and 6 categories of Self-sealing; due to market competition, other manufacturers have produced a network cable that is higher than the "6 categories" Technical indicator, so it has to block itself into more than 6 categories. T

Network Technology Summary

The company does not have a network engineer, so it assumes the role of a network engineer when working on a project. The following terms are often used during the project process. The following is my summary of the project, correct the information if it is incorrect! Term 1: 1000Base -* Gibit Ethernet (GbE, Gigabit Ethernet, or 1 GigE) is a term used to describe various Ethernet frame transmission technologies at gibit rates per second, Defin

Calculation of the bandwidth and port rate of the Resolution switch board

, the bandwidth of the backboard is linear. ◆ Second-layer packet forwarding speed Layer 2 packet forwarding rate = number of Gigabit ports x 1. 488 Mpps + 0.1488 MB port count * Mpps + number of other types of ports * Calculation Method. If this rate can be less than or equal to the forwarding rate of a nominal L2 packet, then, the bandwidth of the vswitch backboard can achieve the line speed during Layer 2 switching. ◆ Layer 3 packet forwarding spee

Penetration Test in the living room: How do hackers intrude into your wireless router?

cracking tool for a week. This may be useful to most people, but Bill is an information security guy. The WPA key is likely to contain more than 32 characters. At this point, you may wonder why I didn't use Java's 0-day vulnerability to attack him, and then enjoy my beer. The answer is simple-I know my goal. He is dedicated to scanning, repairing, and repeating spells. I have a browser 0-day vulnerability, And I won it last week. After I visited Bill's website, I left with some useful informat

ProSAFE NMS300 Security Vulnerability exploitation Guide

ProSAFE NMS300 Security Vulnerability exploitation Guide A security researcher has released Code stating that two critical security vulnerabilities are available in the Netgear ProSAFE NMS300 network management system. Are you using the Netgear ProSAFE NMS300 Management System? If the answer is yes, you may have to worry about it-because Pefro Ribeiro, a security researcher, has discovered two serious s

Stack 10/100 Ethernet switch High Availability

Ethernet switches are still commonly used, so I studied the high availability of stack 10/100 Ethernet switches. I would like to share with you here, hoping to be useful to you. Catalyst3524-PWRXL Ethernet switches are part of the CiscoSystemsCatalyst3500XL series, which is a series of scalable stack 10/100 and Gigabit Ethernet switches that provide optimal performance, manageability and flexibility, as well as unparalleled investment protection. Adva

Network Management Switch purchase Guide

packet forwarding rate is 148810pps. In addition to 24 10/100 Mbps adaptive ports, the vswitch can connect 1 to 2 10-Gigabit Single-Mode Optical Fiber and multimode optical fiber through one expansion slot.The vswitch supports WEB browser management. The administrator can configure, modify, and view the vswitch on the management computer. RG-S1926S can also be managed through the Chinese network management software RGM, RGM can automatically draw a n

1G network cable practices, 1g crystal head practices

Now, Gigabit Networks are becoming more popular, but the practice of Gigabit Networks is not widely understood by many friends. Hope to help you. The gigabit 5 category or over 5 category twisted pair wires are in the same form as the 10-Gigabit network cable. They are also divided into two types: pass-through and cro

Troubleshooting slow parallel Computing in a small project (III.)

After a few days of testing, the final test results came out on January 6, 2015, this time the test results are satisfactory, the same task when the 32 cores to call the time spent is 61,899 seconds, and when the call 64 cores to calculate the same task takes 32,659 seconds, There is a significant advantage over gigabit networks compared to using gigabit networks.Two compute nodes, a compute node is 32 core

In the era of bandwidth acceleration, can your routes survive?

frustrating problem is that your vro is still stuck when the bandwidth goes up? When the bandwidth is increased, but the processing speed of the router is still stopped, it will become one of the main bottlenecks of the enterprise network and directly affect the operating quality of the enterprise network. With the development of technology, Gigabit Routers have emerged. Not only does LANToLAN achieve Gigabit

Brief analysis of comprehensive cabling system for cigarette factory in tobacco industry

, power Center and raw material storehouse, auxiliary materials storehouse, sewage station, rubbish station and other areas link up (different enterprise name is slightly different, this name is for reference only), finally formed the Tobacco Enterprise Complete network system, 1.650) this.width=650; "style=" width:692px;height:436px; "title=" Untitled -8.jpg "src=" http://s3.51cto.com/wyfs02/M01/72/ 2a/wkiol1xeeshizysqaa-jbqq0cqe847.jpg "width=" "height=" "alt=" Wkiol1xeeshizysqaa-jbqq0cqe847.j

Linux Kernel upgrade-update NIC Driver

errors: 0 dropped: 0 overruns: 0 carrier: 0Collisions: 0 FIG: 1000RX bytes: 0 (0.0 B) TX bytes: 0 (0.0 B)Em3 Link encap: Ethernet HWaddr EC: F4: BB: D0: 0B: 64Up broadcast multicast mtu: 1500 Metric: 1RX packets: 0 errors: 0 dropped: 0 overruns: 0 frame: 0TX packets: 0 errors: 0 dropped: 0 overruns: 0 carrier: 0Collisions: 0 FIG: 1000RX bytes: 0 (0.0 B) TX bytes: 0 (0.0 B)Memory: dbe80000-dbf0000003. view the driver required by the NIC Run the ethtool command to view the NIC driver information

Video Transcoding technology and transcoding implementation

transcoding. This method of Transcoding Using computer devices has great flexibility and can process video data that exists in the form of files or streams. In essence, it is stored on computer devices.The server opens a cache area with enough big data to divide the video data files or streams to be processed into many suitable fragments and put them in it. The software provides transcoding algorithms and controls computer systems for transcoding. Figure-The concept of the data interface shown

Wan Xiaotong Cable Ethernet Cabling Full Contact

Typically, the PDS system is updated every seven years, from three classes to five types of systems in five years, five types of systems to replace five systems, only three years, and now, six types of systems have been mature and increasingly widely used in the six-class systems to achieve Gigabit Ethernet is the trend, And the standard of seven types of systems are being formulated and preliminary implementation, the copper cabling system to the ext

To teach you how to speed up the speed of millet router

Recently found around a lot of rice noodle friends, home since the ADSL upgrade to fiber optic network after a variety of slow speed. Today's small series to introduce how to improve and enhance the speed of the millet router. In short, it is how to let the cat and computer can match the millet router gigabit network faster speed. Now the fiber to the user a lot of network speed has reached 50M, or even some more than 100M or more. 1, so

Your route needs to hold the bandwidth acceleration age

annoying marks such as loading, network exception, and network timeout on the webpage, i'm afraid I can only bury myself in the sky. However, the depressing speed of the turtle's network is getting faster. With the active promotion of the three major operators, fiber optics will be fully popularized and bandwidth will be improved, which will undoubtedly bring a spring breeze to users, but another frustrating problem is that your vro is still stuck when the bandwidth goes up? When the bandwidth

View the practical functions of soft Routing Technology in routing applications

With the development of the routing technology, the application of the soft routing technology is also more mature and stable. Many people use the soft routing technology, but it also brings problems such as disconnection, connection failure, and slow speed. This time I want to talk about the hardware used for soft routing. I hope it will help my friends who have encountered the above problems. Soft routing is not only designed to save costs, but also to achieve the perfect functionality and mor

Standard knowledge of Ethernet standard and network cable (copy)

Ethernet (EtherNet)Originally created by Xerox, the Ethernet was developed jointly by DEC, Intel and Xerox three companies in 1980 as a standard. Ethernet is the most widely used local area network, including standard Ethernet (10Mbps), Fast Ethernet (100Mbps), Gigabit Ethernet (Mbps), and 10G Ethernet, all conforming to the IEEE802.3 Series standard specification.(1) Standard EthernetThe first Ethernet only has a 10Mbps throughput, and it uses the ac

Comparison of NP architecture firewall and ASIC

In x86, NP, ASIC and other three firewall hardware technology architecture, which will become the mainstream of firewall product technology development? How should users choose? With these questions, the reporter interviewed the days of the company firewall product manager Chia. He said that the firewall product after years of development, through the software firewall to the hardware firewall changes. At present, domestic users generally accept the market is widely sold hardware firewall, howe

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