Many readers are not very clear about the formation and working principle of VLAN 《Cisco/H3C Switch configuration and management manualRelated content in the book.8.1.1 understand VLAN formation and working principlesA VLAN is a logical segment of the switching network divided by function, project group, or application policy, regardless of the physical location
. Instead of using a vro to define subnets of any size, it is better to use a vswitch to create a Virtual Local Area Network (VLAN ).VLAN management VLAN is inseparable from the switch network, but the management environment must be redefined for implementing VLAN. The VLAN-
Cisco router VLan isolation LAN broadcast packet configuration experiment and summary, ciscovlan
1. Tutorial Description: connect to and set the IP address of the PC according to the network topology. PC1 and PC2 are required to be accessed on VLAN 12, while PC3 and PC4 are accessed on VLAN 34, PC1 and PC2 are interconnected, PC3 and PC4 are interconnected, and
created on VLAN3. :650) this.width=650; "Style=" background-image:none;border-bottom:0px;border-left:0px;margin:0px;padding-left:0px ;p adding-right:0px;border-top:0px;border-right:0px;padding-top:0px; "title=" clip_image038 "border=" 0 "alt=" clip_ image038 "src=" http://s3.51cto.com/wyfs02/M01/77/92/wKioL1ZpiqvAdYMpAAAPoryFYNQ393.png "height="/> When we let PC2 go to pingPC5, I found that I could communicate. :650) this.width=650; "Style=" background-image:none;border-bottom:0px;border-left:0
This paper mainly introduces the implementation of the 802.1Q VLAN protocol in the Ethernet switch, and some basic contents of the 802.1P protocol, details of the implementation of the two Protocols, and reference data of the 802.1Q and 802.1P protocols.
First, 802.1Q protocol
802.1Q protocol, that is, Virtual bridged local area networks protocol, the main provisions of the VLAN implementation, below we f
size, you might as well use a switch to create VLANs.Management of VLANsVLANs are inextricably linked to switched networks, but implementing VLANs will redefine the management environment. VLAN-defined logical domains involve possible views of the network, so the network management platform can display IP images, and sometimes images based on IPX are displayed. If you deploy a VLAN, its topology may not ma
Packet Tracer 5.0 Experiment (IV.) inter-VLAN routing with three layer switchesFirst, the experimental target
Master the configuration of the switch tag VLAN;
Master three layer switch basic configuration method;
Master three-layer switch VLAN routing configuration method;
Inter-VLAN communication
VLAN division in WLAN
The advantage of the access network servicebasic server VLAN extension is that it effectively limits the L2 broadcast domain. For wired networks, common VLAN division methods include switch-based port division, MAC address-based division, L3-Based IP address division, and 802.1x-based security credential division, there are many materials i
A vswitch is not designed as a security device, but is still designed to improve network performance. If you want to add a vswitch to the security mechanism, make sure that you configure the vswitch correctly, second, the switch manufacturer must fully understand and fully implement the basic standards of the switch software. If you have strict requirements on network security and do not use shared switches, you should use dedicated switches to Ensure network security. If a vswitch must be share
Enable VMwareESXi vswitch to support VLAN
Currently, virtualization is widely used. Generally, a physical host can create multiple virtual machines on a physical host after installing VMware ESXi or Hyper-V Virtual Machine Software, in addition, each created virtual machine can provide external services like the original physical machine, which can undoubtedly make full use of server resources to save power and space. But when most of our friends use
An analysis of the two-layer VLAN forwarding of Huawei Ethernet switches and its advantages. To solve the problem of VLAN introduced by Huawei Ethernet switches, we must first understand the benefits brought by VLAN introduction. Remember the corresponding instance. Therefore, it is very advantageous to study the following carefully.
Packet forwarding thread: Aft
Currently, virtualization is widely used. Generally, a physical host can create multiple virtual machines on a physical host after installing VMware ESXi or Hyper-V Virtual Machine Software, in addition, each created virtual machine can provide external services like the original physical machine, which can undoubtedly make full use of server resources to save power and space. But when most of our friends use virtual machines, there is also a problem: the physical host performance is high enough
We know that the traditional LAN Ethernet adopts the CSMA/CD method with conflict detection. In the CSMA/CD network, nodes can use the network whenever they have data to be sent. Before a node transmits data, it performs a "listener" to check whether the network is busy. If not, the node starts to transmit data. If the network is in use, the node waits. If the two nodes do not hear anything and start to use the line at the same time, a conflict will occur. When sending data, if it uses a broadca
This paper analyzes the set of VLAN division methods for multiple vswitches. VLAN implementation methods on vswitches can be roughly divided into six categories: VLAN division methods for vswitches Based on port division and VLAN division methods for MAC address vswitches.
◆ VLAN
Learn how to use VLAN networks to become a major contributor. After establishing and configuring enterprise VLAN networks, managing VLAN networks, and maintaining VLAN networks, you will have an in-depth understanding of VLANs.
VLAN is a virtual network.
What is the difference between an acl and a vacl between a cisco vlan, its implementation method is to apply the ACL directly to the virtual port of the VLAN, which is the same as the ACL implementation method applied to the physical port. The VLAN access control (VACL), also known as the VLAN access ing table, is impl
When a large number of subordinate organizations interconnect isolated networks, VLAN division is required for the management, security, and stable operation of the entire network for different functional departments.At the time of the rise of Enterprise Networks, due to the small scale of Enterprise Networks, limitations in application scope, lack of understanding of Internet access, and poor network security and management, so that the enterprise ne
The expansion of VLAN enterprises in large and medium-sized enterprises with layer-3 switches has led to the continuous expansion of enterprise networks, many enterprises use the method of adding computers directly to the original network to expand the network scale. As a result, the network system becomes increasingly complex and network management becomes increasingly difficult, the security index in the network is also getting lower and lower, and
NetScaler VLAN ' s demystifiedhttps://www.citrix.com/blogs/2014/12/29/netscaler-vlans-demystified/The Citrix NetScaler Appliance is an amazingly flexible application Delivery controller (ADC). It ' s capable of performing both simple and very complex tasks, positioning it solidly for the eighth consecutive year in T He Gartner leaders Quadrant for ADC ' s:http://www.citrix.com/news/announcements/oct-2014/ Citrix-positioned-for-the-eighth-consecutive-y
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