17. Modified Cost value and reference bandwidth of OSPF configuration experiment

1. Experimental topology 2, method of modifying cost value and reference bandwidth 3. Experimental configuration R1 configuration interface FastEthernet1/0ip address 12.1.1.1 255.255.255.0router os

2022-06-01 Network Security 我要分享

What are the commands commonly used in Redis

This article mainly introduces "what are the commands commonly used in Redis". In daily operation, I believe many people have doubts about the commands commonly used in Redis. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope to answer "the commands commonly used in Redis are

2022-05-31 Database 我要分享

Example Analysis of circom/snarkjs actual Combat zk rollup

Today, I will talk to you about the example analysis of circom/snarkjs actual combat zk rollup, which may not be well understood by many people. in order to make you understand better, the editor has summarized the following for you. I hope you can get something according to this article. The past year has appeared.

2022-06-01 Internet Technology 我要分享

NAT static and Port Mapping configuration Lab

Static NAT configuration figure 1. Configure host address: PC1 > ip 192.168.100.10 192.168.100.1Checking for duplicate address...PC1: 192.16

2022-06-02 Servers 我要分享

RAC modifies single instance DG redo size log

The solution is to add standby redo to the primary library to delete the old standby redo, then add standby redo to the main library to delete the old standby redo, add new redo to the main library to delete the old standby redo, and finally add re to the standby library.

2022-06-01 Database 我要分享

Overview of the working principle of 100g QSFP28 Optical Module data connection solution

The transmission of data communication has developed from 40G in previous years to 100G, 200G or even 400G now, and the packaging of optical module has also developed from GBIC to QSFP28 optical module today. It can be said that 100G QSFP28 optical module is the product of this era of big data. And

2022-06-01 Network Security 我要分享

Date format statement when SqlServer query

The default date field datetime format for the Chinese version of SQL Server is yyyy-mm-dd Thh:mm:ss.mmm, for example: select getdate () 2004-09-12 1111 yyyy-mm-dd Thh:mm:ss.mmm 08177

2022-06-01 Database 我要分享

How to use the Linux dstat command

This article mainly explains "how to use the Linux dstat command". Interested friends may wish to have a look at it. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn how to use the Linux dstat command. Linux is commonly used.

2022-06-01 Development 我要分享

Detailed explanation of NAT address translation (static NAT, port mapping, dynamic NAT,PAT)

NAT address Translation Overview Diagram this chapter we will learn and practice, static NAT address translation, dynamic NAT address translation, port mapping, PAT port multiplexing. Understand the advantages and disadvantages of NAT II. How Nat works static translation (Static Translatio)

2022-06-02 Servers 我要分享

NAT Network address Translation Theory + experiment

NAT network address translation NAT can not only solve the problem of insufficient IP addresses, but also effectively avoid hidden dangers from outside the network, hide and protect computers inside the network. 1. Broadband sharing: this is the biggest feature of NAT hosts. two。 Security protection: PC within NAT

2022-06-02 Servers 我要分享

Mysql5.7-mmm high availability cluster under Centos7

Introduction to mysql5.7-mmm High availability Cluster MMM under Centos7 MMM (Master- Master replication manager for MYSQL, MYSQL Master replication Manager) is a set of

2022-06-01 Database 我要分享

Recommendation of integrated cabling scheme for 100G network

100G QSFP28 has the advantages of higher transmission rate, higher density and lower power consumption, so it is welcomed by the market. 100G Ethernet products include 100G QSFP28 optical module, 100G QSFP28 AOC active optical cable and 100G QSFP2.

2022-06-01 Network Security 我要分享

12C SQL-TOP

On the basis of what I just did. Insert into look values (2); insert into look values (3)

2022-06-01 Database 我要分享

Fastrack FZ100 / FX100 / FS100 wireless headset release: ENC noise reduction, maximum playback time 50 hours

CTOnews.com, June 7 (Xinhua)-- Fastrack has expanded its family of TWS headphones in India and launched three new headphones, namely, FZ100, FX100 and FS100, which belong to the Fastrack FPods family.

2023-11-24 IT Information 我要分享

How to use css3 to realize 3D rotation Animation Special effects

This article will explain in detail how to use css3 to achieve 3D rotation animation special effects. The editor thinks it is very practical, so I share it with you as a reference. I hope you can get something after reading this article. The code is as follows: css3 3D

2022-06-01 Development 我要分享

Static NAT, NAT static port mapping

Network address Translation (NAT) structure: NAT Overview of the background of address translation the working principle of NAT: Network Address Translation, network address translation NAT implementation: 1. Static conversion (Static Transla

2022-06-01 Network Security 我要分享

Configure iptables Firewall (2)

Configure iptables firewall (2) Application of DNAT policy 1. Clear the firewall of all tables [root@s2] # iptables-F [root@s2 ~] # iptables-t nat-F [root@s2

2022-06-01 Network Security 我要分享

N1 Network Command-ping

Ping parameter-c specifies the number of times root@ubuntu17:~# ping-c 2 www.baidu.comPING www.a.shifen.com (111.13.100.92) 56 (84) b

2022-06-01 Network Security 我要分享

Definition and resolution of mysql-mmm master master replication

This article mainly introduces the definition and analysis of mysql-mmm master replication, hoping to supplement and update some knowledge for you. If you have any other questions you need to know, you can continue to follow my updated article in industry information. Mysql-MMM master replication MMM (Master-

2022-06-01 Database 我要分享

Huawei USG Firewall backup-hrp and ip-link Linkage

Fw1:interfaceGigabitEthernet0/0/0ip address 192.168.1.2 255.255.255.0hrp track masterinterfaceGigabi

2022-06-01 Network Security 我要分享