vlan book

Switch VLAN, TRUNK ,VTP configuration1. Configure the IP address of the CISCO two layer switch (Catalyst 2950 for example )SW1 (config) #int vlan 1//Enter the management interface interface VLAN 1SW1 (config-if) #ip address 11.1.1.2 255.255.255.0//Configure IP AddressSW1 (config-if) #no shutdownSW1 (config-if) #exitSW1 (config) #ip default-gateway 11.1.1.1//confi

Troubleshooting of non-synchronous VLAN configuration information in VTP, vtpvlan VTP (VLANTrunk Protocol, VLANTrunk Protocol) is a dedicated Cisco VLAN used to maintain and manage dynamic VLANs (such as VLAN Based on MAC addresses, IP addresses, network protocols, and VLAN management policies). It can be used to autom

Huawei s5700 switch vlan settingsCurrently, there are several Huawei s5700 switches, common switches, and tp-link routers. 1. The tp-link router connects to the Internet. 2. The s5700 switch divides vlan. 3. Common switches are connected to VLANs and PCs. The following figure shows the network topology. The s5700 has all vlan1 ports in vlan1. Vlanif1 configures the ip address of the vro CIDR block to connec

Required knowledge:First, we should understand Catalsty 4908G-L3. In fact, it is a vro that uses the cisco ios configuration interface completely. By default, all interfaces are routable interfaces. Catalsty 4908G-L3 does not support L2 protocol, VLAN trunk protocol, dynamic trunk protocol, and port aggregation protocol. Catalsty 4908 does not support the following types: IOS 12.07-based1. Access Control List.2 802.1q3 apple talk routing4 port snoopin

Basic knowledge of VLAN division experiment: VLAN is short for Virtual Local Area Network (VLAN), which is a logical Network divided on a physical Network. This network corresponds to the L2 network of the ISO model. VLAN division is not limited by the actual physical location of the network port. A

VLAN is an important part of swap technology. It logically divides a physically directly connected network into multiple subnets. Each VLAN has a corresponding broadcast domain. Different VLANs must communicate with each other through layer-3 switching technology. Layer-3 switching is a technology that combines routing and switching. After the router routes the first data stream, a ing table between the M

The expansion of the enterprise scale has resulted in the continuous expansion of the enterprise's network scale. Many enterprises have adopted the method of directly adding computers to the original network to expand the network scale, the network system becomes more and more complex, and network management becomes more and more difficult. The security indexes in the network become lower and lower, and the utilization of network resources is also greatly reduced, how to effectively manage netwo

Technical standards for VLANs IEEE 802.1Q was formally promulgated by IEEE Commissioners in June 1999, and the earliest Vlna technology was proposed by Cisco (Cisco) companies in 1996. With the development of the past few years, VLAN technology has been widely used in large and small enterprise networks, becoming the most popular Ethernet LAN technology at present. This article is going to introduce one of the most common switch technology application

Tags: vlannativetrunkaccesshybrid Tag message structure is after the source MAC address and destination MAC address, plus 4bytes VLAN information, the normal PC network card is not recognized. The access port belongs to only 1 VLANs and is typically used to connect to a computer port. The port of the trunk type can be used for multi-VLAN communication. The hybrid type of port allows m

Virtual LAN VLANThe concept of VLANs In the traditional switched Ethernet, all users in the same broadcast domain, when the network size is larger, the number of broadcast packets will increase significantly, when the number of broadcast packets to 30% of the total amount of time, the network transmission efficiency will be significantly reduced, especially when the network equipment failure, and constantly send broadcasts to the network, Which led to broadcast storms. In the actual pro

VLAN (Virtual LAN) technology is an important technical measure to ensure the safe and stable operation of large networks. with the active participation of many vendors and the widespread acceptance of end users, it has been widely used in actual network construction. The reason why VLAN technology is attractive is that it has enhanced its network management functions in three aspects, this simplifies the w

Network environment: A 3550EMI switch, divided into three vlan,vlan2 for the server network, named SERVER,IP address segment is 192.168.2.0, Subnet mask: 255.255.255.0, Gateway: 192.168.2.1, domain Server for Windows Advance Server, concurrently as a DNS server, IP address is 192.168.2.10,vlan3 for client 1 network, IP address segment is 192.168.3.0, Subnet mask: 255.255.255.0, Gateway: 192.168.3.1 named WORK01,VLAN4 for Client 2 network, named Work02

VLAN-based attack methods are used by hackers Based on VLAN technology. How can they take effective preventive measures in the face of these innovative attacks? In this article, we will introduce the hacker's attack methods and the defense measures we can take for the networks managed by the application VLAN technology. Currently, common

I. Demand1, divide three VLAN VLAN2 Server 1-8 Port Network VLAN3 work01 9-16-Port Vlan4 work02 17-24-Port 2. Gateway Configuration 192.168.2.1/24 192.168.3.1/24 192.168.4.1/24 3, DHCP and reservation Each section to open DHCP, each reserved xx.2-xx.10 segment IP for reserved use 192.168.2.10/24 for AD domain server, concurrently as a DNS server, plus two additional alternate DNS 114.114.114.114 8.8.8.8 4, routing Specifies that the next ho

The rapid development of the current exchange technology has also accelerated the application speed of the VLAN-Virtual Local Area Network (VLAN-Virtual Local Area Network) technology, especially on the current campus Network. By dividing campus networks into virtual subnets (VLANs), network management and network security can be enhanced to control unnecessary data broadcasts. Data broadcasting plays a ver

Vlan explanationI. RoleSeparate the physical network of the same network segment into multiple logical networks, limiting the broadcast flooding rangeTwo. Implementation mechanism1. Switch port typeAccess links (access link) interfaceA port that belongs to only one VLAN and forwards data frames to that VLAN only.Receive data: When the message is received, if ther

Experiment: Huawei mux vlan configuration and management, Huawei mux The following experiment is an experimental video teaching course designed by the author for "Huawei switch Learning Guide". Click here to view details: http://edu.51cto.com/course/course_id-2091.html Huawei's mux vlan function enables different VLANs located in the same IP network segment.(All slave and master VLANs)Users can achieve laye

The expansion of enterprise scale has created the continuous expansion of enterprise network scale, many enterprises in the expansion of the network scale used in the original network directly to increase the computer method to achieve, followed by the network system has become more and more complex, the network management has become increasingly difficult, the network security index has become increasingly low, and the utilization rate of network resources is greatly reduced, how to manage the

. 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