Linux VLAN Trunking and Subinterface Configuration In today’s network architecture, VLAN (Virtual Local Area Network) is a core technology for isolating network traffic, enhancing security, and improving management efficiency. As a representative of open-source server platforms, Linux systems support flexible VLAN trunking and subinterface configuration. This not only helps administrators manage multiple VLANs over a … Read more
1. Network Coupler2. Layer 3 Switch – Set up VLAN Configure the Virtual Local Area Network (VLAN) functionality3. In TIA Portal, check the option to use a router4. Extend Subnet Mask The table below shows the address range that can communicate after extending the subnet mask (having too many devices on the network may slow … 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
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
【Introduction】 In the wave of digital transformation, virtualization technology has become a cornerstone of enterprise IT architecture. Especially, VMware virtualization networks, with their flexibility, high availability, and security, play a significant role in network architectures across various industries. This article will comprehensively analyze the essence of VMware virtualization and network architecture design, starting from core … Read more
The actual operating environment is based on Synology DSM 7.1-42661 Update 1 version system.Using its built-in Docker package (version 20.10.3-1306) for deployment. 2. SSH functionality needs to be enabled in the Synology system’s terminal. 3. Use SSH to log into the Synology system, then execute the following commands in sequence to prepare the network environment: … Read more
We previously introduced how to configure OpenWrt to operate in a one-armed routing mode (OpenWrt Configuration One-Armed Routing Mode), and later discussed iStoreOS based on OpenWrt (Deploying iStoreOS on VMware ESXi to Turn It into a Router), which we flashed onto the VMware Edge 620 (VMware Edge 620 Magic Operation: Flashing iStoreOS to Become a … Read more
As the level of information technology in modern enterprises continues to rise, the complexity of network architecture is also increasing. To effectively manage and optimize network resources while enhancing network security and flexibility, VLAN (Virtual Local Area Network) technology has emerged. As a widely used network technology in environments such as enterprises and data centers, … Read more
1. Network Interfaces 1.1 Configuring IP Address yum install net-tools # Use ifconfig ifconfig eth0 192.168.1.3 netmask 255.255.255.0 # Add ipv6 address ifconfig eth1 add 240e:981:f200::100/64 # Add network card alias ifconfig eth0:0 192.168.1.10 # Use ip command to add/remove an IP ip addr add 192.168.1.4/24 dev eth0 ip addr del 192.168.1.4/24 dev eth0 The … Read more
Click to follow for practical IT tips!Requirement DescriptionBrothers, the client’s server room has been renovated, and a technician has been trying to fix the network for several days without success. Let’s take a look at how difficult it is and what problems exist.First, let’s confirm the device models.Ready to start.To debug such a network, a … Read more