Many netizens find that when connecting to Wi-Fi, there are two signals appearing simultaneously: one with a “5G” suffix and the other without. Why does the same Wi-Fi show two signals? Does a Wi-Fi name with “5G” mean faster internet speed? What Does ‘5G’ in the Wi-Fi Name Mean? In fact, the “5G” in the … Read more
Slow internet speed has become one of the most frequent complaints received by broadband service providers. Studies show that most consumers currently only experience Wi-Fi speeds that are about 50% of their router’s bandwidth limit. Six Factors Affecting Wi-Fi Signal The reason why Wi-Fi speeds do not meet expectations is related to these six factors. … Read more
Source: Wireless Deep Sea Original Author: Mayfly Cai Cai When it comes to the hardware of routers, many people might say, I just want to buy a router, not build one. What’s the point of knowing all these details? This kind of thinking is actually… not wrong. Routers are quite similar to the computers or … Read more
This article is a featured article from the Kanxue Forum, author ID: Q老Q 1 Entering U-Boot Shell from UART After opening a certain router device, locate the UART interface and connect the UART pins to the computer through TTL. Power on the router and observe the startup log. Boot SPI NAND start read bootheader start … Read more
Today, I will present two small eNSP experiments: How can different subnet direct connection interfaces communicate with each other? To achieve full network intercommunication, we need routers to exchange routing information between different protocols or run the same routing protocol across the entire network. However, in actual networks, it is often necessary to run multiple … Read more
Click the blue text to follow us In commercial places like shops and offices with high foot traffic and many obstructions, the network signal fluctuates. What should we do? With a plethora of network and surveillance related devices, maintenance is difficult, wiring is troublesome, and costs are high. What should we do? For cameras that … Read more
Step 1: Hardware Preparation and Connection Materials Needed Optical Modem: Usually provided by the ISP when installing broadband. Wireless Router: Can be purchased online or from a computer store. Network Cables: Two, can be purchased nearby at a computer store. Computer: Used for configuring the router. Connect the devices as follows: Connect the fiber to … Read more
Many friends have asked how two computers on different subnets can communicate with each other? This is a common issue encountered in corporate offices, and today we will take a look. We often encounter situations where a company, as employees or departments increase, adds a router, creating two subnets, with subnet A and subnet B … Read more
Introduction OpenWrt is an open-source operating system primarily used for embedded devices, especially wireless routers and access points. It is based on the Linux kernel and designed to replace the firmware provided by manufacturers, offering users more flexibility, customization, and features. Here are some key features of OpenWrt: 1. Customizability: OpenWrt provides an extensible framework, … Read more
0×01 Environment Preparation 1. This time we will use the open-source OPENWRT source code for compilation. OpenWRT is a highly modular and automated embedded Linux system, with powerful network components and extensibility, often used in industrial control devices, telephones, small robots, smart homes, routers, and VOIP devices. It also provides over 100 pre-compiled software packages, … Read more