kiroro2514

  🏗 Logical Separation of Virtual Networks: Why is VLAN Necessary? When operating a virtualized server, there are times when you need to split the network into several segments for security reasons or efficient resource management While you could solve this by plugging in multiple physical NICs, hardware limitations and complex cabling often get in the way This is where #VLAN (Virtual Local Area Network) comes in as the solution VLAN is a technology that allows you to build multiple logically independent networks on top of a single physical network infrastructure In this #lecture , we will master the advanced #method of isolating Virtual Machines (VMs) and Containers (CT) into different network groups by configuring VLANs in a Proxmox VE environment 1. Basic Principles of VLAN and its Role in Virtualization VLANs distinguish data by attaching a 'label' called a 'Tag' to packets A. VLAN Tagging (802.1Q) Using the standard 802.1Q protocol, a VLAN ID (1–4094) is inserte...

 Hello! I am your IT partner, dedicated to helping you build efficient server resource management and virtualization environments. When you first install Proxmox VE, one of the primary configurations you encounter is networking. You might have experienced the frustration of creating a Virtual Machine (VM) only to find it cannot access the internet or communicate with the host server. Today, we will take an in-depth look at Linux Bridge (vmbr0) , the most fundamental and essential core of Proxmox networking. 1. What is a Linux Bridge? The Basics of Virtualization Networking In a virtualized environment, while there is only one physical server, dozens of virtual machines can exist within it. For these virtual machines to communicate with the outside world, they must share the physical Network Interface Card (NIC). The software that acts as the traffic controller in this process is the #Linux_Bridge . To put it simply, you can think of it as a physical network switch (hub) implemented...

  🌐 The Determinant of VM Communication Performance : Guide to #NetworkSettings and #VirtIO #Optimization Through the previous #lectures , we have #completed the #disk and #CPU / #Memory #settings required for #VMCreation in #ProxmoxVE Now, we move to the #Network #Settings #stage , a #critical #step where the #VirtualMachine ( #VM ) #communicates with the #external #network and #secures #high - #speed #data #transfer #performance Especially in a #virtualization #environment , to #maximize #network #performance , the #driver #type must be #carefully #selected , and #VirtIO is the #most #recommended #option This #post will #detail the #selection of #bridges , the #management of #MACAddress , and the #reasons why #VirtIO is the #most #efficient choice among #various #network #driver #types , along with the #configuration #method , in the #Network #tab of the #VM #Creation #Wizard 1. #Accessing the #Network #Tab and #Key #Settings #Ite...