86. Question: What is the main purpose of the netstat command? Option 1: Display network statistics and connections Option 2: List all installed packages Option 3: Check system resource usage Option 4: Create new network interfaces Correct Answer: 1 Explanation: The main purpose of the netstat command is to display network statistics and connections. It … Read more
Today, it’s not just about Layer 3 networking; it also includes roaming between ACs. What does this mean? It means that two APs connected to different ACs can still achieve wireless roaming! The topology is quite simple, so let’s start configuring directly! Here is the online topology diagram! 🎏 SW1 Port Configuration! [SW1]vlan batch 10 … Read more
2025/09/019 Friday, Lunar Calendar July 18 First Edition DAILY NEWS DAILY NEWS Setting the router to AP mode allows the main router (upstream router) to provide IP address allocation and DHCP functionality, which can reduce network latency and improve LAN NAT forwarding performance (removing one NAT reduces bandwidth resource loss). Below are several methods to … Read more
In the previous case study (Building an Enterprise-Level Wi-Fi for 400 Yuan! A Zero-Basis Guide to Setting Up AC + Thin AP Environment, the Simplest Networking Guide on the Internet), we introduced the Layer 2 registration configuration for AC and thin AP. For small wireless networks, the AC generally only needs to manage a small … Read more
Click on the above“Do you know how ducks get on the shelf?” to follow us Wi-Fi networks have become very popular, and many so-called tricks or methods that seem to ensure wireless network security have emerged. A quick search online reveals many outdated and fundamentally insecure so-called rumors or myths. We will debunk these so-called … Read more
Using Cobbler on Linux can quickly establish a Linux network installation environment, significantly lowering the technical barrier for Linux network installations. So how do we install Cobbler on a Linux system? Let’s learn together. Introduction to Cobbler Cobbler is an open-source project supported by Redhat, used for deploying and installing systems. Therefore, it has good … Read more
1. Networking Requirements The enterprise has an export gateway<span>AR</span>, a core switch (<span>L3</span>),<span>WAC</span>, and<span>AP</span> devices, and hopes to deploy a wireless network to provide employees with wireless internet access. The specific requirements are described in the table below: Requirement Specific Description <span>WAC</span> Networking Method Side-hanging Layer 2 Networking Business Data Forwarding Method Direct Forwarding (default … Read more
First, download the OpenWRT x86_64 firmware https://openwrt.mpdn.fun/?dir=lede/x86_64/2025-08-29__03-05-34–plus-daily Create a virtual machine on FeiniuSelect the downloaded OpenWRT firmwareAdd a hard diskEnable OVS on the network port in advanceAdd a network cardHere, add two network cards, one for the WAN port and one for the LAN port. The physical machine needs to have multiple network ports. I … Read more
Ansible Firefighting Hotline Series (13): Automated Configuration of LINUX DHCP #Linux #Automation #Automation #Ansible #DHCP 🤩 Introduction: Are you still struggling with IP address allocation? Ansible comes to the rescue! Dear operations colleagues, do you feel overwhelmed when it comes to configuring a DHCP server? 😫 Manually editing <span><span>dhcpd.conf</span></span> and <span><span>dhcpd6.conf</span></span> is not only complex … Read more
Hello everyone, I am the Mixed Bag Master. Previously, we shared useful information about using udhcpd in embedded Linux devices to enable wireless AP/access points. udhcpd is a lightweight implementation of the DHCP (Dynamic Host Configuration Protocol, 动态主机配置协议) server. It is typically used in resource-constrained embedded systems or small network environments. It stands for Universal … Read more