划分 VLAN 的作用是什么？
①静态 VLAN（基于端口的 VLAN）：这是一种固定的划分方式，明确指定交换机各端口属于哪个 VLAN。 优点是定义 VLAN 成员简单明了；缺点是当网络中的计算机数目较多时，设定操作会 …
Different types VLAN - Cisco Learning Network
Dynamic VLAN - LIke MAC-based, dynamic VLANs do not have a specific VLAN ID range assigned. Instead, VLAN membership is dynamically assigned by a VMPS (VLAN Membership …
Why and how are Ethernet Vlans tagged?
Jan 31, 2015 · In reality a VLAN tag is inserted in the Ethernet frame like this: The 802.1Q (dot1q, VLAN) tag contains a VLAN-ID and other things explained in the 802.1Q Standard. The first 16 …
vlan 0, 1, and 4095 are reserved: what are they reserved for?
Wikipedia agrees that vlans 0 and 4095 are reserved. This article says that Cisco reserves vlan 1 (in addition to vlans 0 and 4095). But I am having trouble finding good information on what are …
What is the Native VLAN used for? - Cisco Learning Network
The native vlan is most useful when going to study voip. As one port on the switch will connect to the IP phone, and a PC will connect to the phone. So we end up having two devices attached …
Best Practices for Inter-VLAN Routing in CISCO
In this discussion, lets explore the best ways to set up Inter-VLAN Routing on Cisco devices, using simple explanations and clear examples to help configure network efficiently.
vlan - Explain what is Virtual LAN - Network Engineering Stack …
Jun 8, 2017 · A virtual LAN (VLAN) is any broadcast domain that is partitioned and isolated in a computer network at the data link layer (OSI layer 2). A LAN is an abbreviation for local area …
Why is 4096 the max value for VLANs
Oct 4, 2013 · Actually in vlan header contains TPID (16 bits),PCP (3 bits),CFI (1 bit)and VID (12 bits). in vlans we are using vlan id's for transport of traffic from one switch to another switch. …
What is the purpose of native VLAN on a trunk link?
Dec 19, 2019 · By further reading more about VLAN hopping, I get their idea of putting VLAN1 as untagged traffic (aka native VLAN) on the trunk link, so if we put other access ports (non-trunk) …
什么是 VLAN？ - 知乎
一、VLAN 1.1 什么是VLAN 名词解释 VLAN——Virtual local area network——虚拟局域网 局域网：指在较小的地理区域内，通过传输介质连接的一组计算机及其外围设备的网络。 局域网通 …