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  1. 划分 VLAN 的作用是什么?

    ③灵活构建虚拟工作组:用 VLAN 可以划分不同的用户到不同的工作组,同一工作组的用户也不必局限于某一固定的物理范围,网络构建和维护更方便灵活。 2、VLAN 标签 为了使设备能够分辨不同 …

  2. 什么是VLAN?其作用是什么? - 知乎

    VLAN原理及配置 vlan(Virtual Local Area Network)虚拟局域网 广播域:连接到同一个交换机的终端就可以说在同一个广播域内 为何要使用vlan? 在我们的企业网中,一个企业级交换机一般是24口或者 …

  3. 划分 VLAN 的作用是什么? - 知乎

    vlan标签的格式遵循802.1q标准,而802.1q标准中定义的vlan号(vlan id)的长度是12位,所以说vlan总共只有2的12次方,4096个。 这也就是为什么交换机只支持4k个vlan,多贵的都只支持4k个 那么问 …

  4. IEEE 802.1Q – VLAN Tagging and Trunking in Networking

    IEEE 802.1Q is the networking standard that defines VLAN (Virtual Local Area Network) tagging on Ethernet frames. VLANs allow network administrators to segment a physical network into multiple …

  5. Fundamentals of VLAN's - Router on a stick - Cisco Learning Network

    To decide, which "Vlan Id Number" to attach, to the outgoing frames If the frame is going out of interface numbered FastEthernet 0/0.3, then attach Vlan-3 tag on to it *Click on the image to enlarge Logic …

  6. A quick summarized view to Private VLAN (PVLAN)

    Introduction: This document is anticipated for understanding Private Virtual LAN (PVLAN) concept; how VLAN is sub-divided into isolated sub-domains and the communication between isolated ports types …

  7. Fundamentals of creating VLANs - Part 1 - The concept

    We are going to call the newly created 'Vlan 20' - 'Switch 2', as pictured above, for the purpose of this document Accordingly 'Vlan 20' is the same as 'Switch 2' So additional two switches are a part of the …

  8. 关于交换机的VLAN技术你了解多少? - 知乎

    Trunk 接口:连接交换机与路由器,允许多个 VLAN 的数据通过,帧携带 VLAN 标签。 Hybrid 接口:灵活多用,可同时属于多个 VLAN,可精确控制哪些 VLAN 的帧带标签发出。 四、经典案例:打通 …

  9. 当一个数据包进入路由器时,路由器是怎么处理帧中的VLAN标记的?

    Mar 16, 2025 · 当带有VLAN tag的数据帧进入路由器: (1)如果对接的是物理接口,路由器丢弃这个数据帧。 (2)如果是子接口,剥离VLAN tag进行路由转发。 这两种情况,我们通过以下的实验进行 …

  10. The Unsung Hero of Networking: Unveiling the Native VLAN

    A Native VLAN is considered as default VLAN for a trunk port that does not tag any traffic. A trunk port is like a freeway that carries multiple VLAN’s traffic, and each Frame has a Tag which the Switch uses …