vlan best practices

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Features of Super-vlan (converged VLAN), Mux-vlan, and port isolation (port-isolate)

Super-vlan : Achieve two-layer isolation, three-layer interoperability; all the Sub-vlan all three-tier communication needs to pass Super-vlan this gateway to implement; in a large network, saving IP Resources. VLAN communication can be achieved by simply configuring the Super-

VLAN and the IEEE 802.1Q VLAN implemented by Linux

VLAN and the IEEE 802.1Q VLAN implemented by LinuxThe concept of VLANs Introduction to VLAN Technology Vlanvlan overview Ethernet is a data network communication technology based on CSMA/CD (Carrier sense multiple access/collision Detect, carrier listening multi-access/collision detection), which can cause serious conflict and broadcast flooding when the ho

VLAN Mapping configuration (VLAN ing)

VLAN ing (VLAN ing) VLAN Mapping principle introduction VLAN Mapping is also known as VLAN ing. Its main function is to replace the private network VLAN Tag in user packets with the public network

Layer-3 Switch VLAN/VTP/inter-VLAN routing/DHCP

A typical LAN is to connect a core switch with a layer-3 Switch to several Branch switches (not necessarily with layer-3 switching ). We assume that the core switch name is com, and the Branch switches are par1, par2, and par3 respectively, which are connected to the core switch through the light module of port 1; assume that the vlan names are counter, market, and managing ...... Work to be done: A. Set vtp domain (both core and branch switch) B. Con

Neutron Understanding (2): Using open VSwitch + VLAN networking [Netruon Open vSwitch + VLAN virutal Network]

Learn Neutron Series articles:(1) Virtualization network implemented by Neutron(2) Neutron Openvswitch + VLAN Virtual network(3) Neutron Openvswitch + Gre/vxlan Network(4) Neutron L3 Agent(5) TBD1. L2 Basic Knowledge 1.1 VLAN BasicsThe LAN represents the local area network, which is usually used by the Hub and Switch to connect to the computer on the LAN. In general, when you connect two computers to the sa

Configuration of Virtual LAN (VLAN), lan vlan

Configuration of Virtual LAN (VLAN), lan vlan Figure 1 Experiment Topology Lab content: (1) Name the switches SWA and SWB respectively. (2) divide Virtual LAN VLANs and statically divide ports into valn. First, use two methods to divide VLANs. L vlan division in global mode: This method is used to create three VLANs on the SWA switch:

VLAN Transfer VLAN Nesting

//--------------------------------------------------------------------------------------What do you mean by VLAN transmission?It doesn't matter what you come up with, I'll let you through. This explains the type of data, no matter what the data.Why there is the concept of VLAN transmission.The purpose of the original VLAN is to isolate, the data of different VLAN

What is a VLAN? How do I divide VLANs? How do I implement VLANs? What are the benefits of VLANs? VLAN possible three-layer switching technology (reprint)

1. What is a VLAN?VLAN is a virtual local area network, which means that the sites in the networks do not rigidly adhere to the physical location, but can flexibly add a network technology in different logical subnets as needed.Virtual local area network based on switched Ethernet in switched Ethernet, the VLAN technology can be used to divide the physical networ

Huawei Hybrid-vlan Configuration, add the interface batch to VLAN, configuration detailed

Experimental topology650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M00/6F/7D/wKiom1Wd7-Pw1yLkAAFCmeJywRY388.jpg "title="}~ 4SQ4DEE8$8ZEM~F3 (8bh4.png "alt=" Wkiom1wd7-pw1ylkaafcmejywry388.jpg "/>C1 ip:192.168.10.1/24 C5 ip:192.168.10.5/24C2 ip:192.168.10.2/24 C6 ip:192.168.10.6/24C3 ip:192.168.10.3/24 C7 ip:192.168.10.7/24C4 ip:192.168.10.4/24Experimental requirements1, C1 and C2 belong to VLAN10,C3 and C4 belong to Vlan20,c5 and C6 belong to VLAN30,C7 belong to Vlan402, members of the

Inter-VLAN Routing: One physical connection per VLAN, one-arm routing, three-layer switching

Inter-VLAN Routing 3 ways: One physical connection per VLAN, one-arm routing, three-layer switching.One physical connection per VLAN: A separate interface is assigned to each VLAN on the router, and a physical link is used to connect to the Layer two switch. When the host between the VLANs needs to communicate, the dat

Juniper EX2200 several commonly used VLAN configurations (create, ACL filter, VLAN-to-Inter traffic isolation)

1, create VLAN in fact, as long as 2 steps, only need 2 commands:① If you need to put the gateway in EX2200, you need to create a virtual three-layer interface SVI, so we can first create an SVI as the VLAN gateway that is about to be created.② the virtual interface SVI to the VLAN while creating the VLAN.Interfaces in network devices generally have the concept o

Differences between the local VLAN and the End-to-end VLAN

Recently focused on the next VLAN division, found that the VLAN divided into 2 kinds, usually used in the work called the local VLAN, there is a kind of called end-to-end VLAN, generally used in more than 10 or dozens of switch-sized enterprise network.Baidu through the difference between the two, the description is no

Ubuntu to configure the VLAN function--official website VLAN How to

http://ubuntuforums.org/showthread.php?t=703387 Introduction to Ubuntu website 802.1q VLAN HOWTO Doing 802.1q trunking to a Ethernet switch is really easy. I describe two methods-a text only one for servers, and a GUI one for desktops.The VLAN number that is interface uses always gets appended to the physical after a dot, so for interface a instance Rface eth0 using VLA

Vswitch VLAN and vswitch vlan for micro-enterprises

Vswitch VLAN and vswitch vlan for micro-enterprises Configure vswitch VLANI. Tutorial PurposeCreate a VLAN in the vswitch and add the corresponding port to the corresponding VLAN.Port 1: VLAN10Port 2: VLAN20Port 3: VLAN30 Ii. experiment environmentSoftware ENSP 1.2.00.500 Virtual Device PC: PC1-PC3 S3700 switch: SW1 Iii. Experiment Topology Iv. Experiment steps

Best practices for Virtual LAN security)

information internally and use it for traffic forwarding. At this point, we can conclude that if the vlan id of the group cannot be modified after the packet is sent from the source node, that is, the end-to-end vlan id remains unchanged, the VLAN reliability is equivalent to physical security. We will discuss this issue in detail below. Control Panel Malicious

Same VLAN can communicate with same switch, different VLAN cannot communicate

OneSecond, IP planningpc0:192.168.0.100 255.255.255.0pc1:192.168.0.110 255.255.255.0pc2:192.168.0.120 255.255.255.0laptop0:192.168.0.200 255.255.255.0laptop0:192.168.0.210 255.255.255.0Third, the Operation procedure1) Enable--Enter privileged mode2) Conf T--Enter global configuration mode3) VLAN 100--Create VLAN4) name Huawei_u2000_sdh_nanan--Flag VLAN Name5) Int F0/1--Enter switch port6) switchport Access

Create a VLAN and enable DHCP for the VLAN

New VLAN and enable this VLAN DHCP function This example is used inVmwareviewRequiredDHCPAutomatically obtainedIPAddress: 1, Connection Server Specify IP Address 192.168.30.2 , So IP Slave DHCP Pool exclusion, if there are other IP The address must be retained. You can continue to exclude it. 2, DHCP The gateway of is 192.168.30.1 , DNS Is 192.168.0.120 And 192.168.0.121

Configuring VLAN environments with Vconfig under "VLAN" Linux

Under Linux, you can use Vconfig to manage VLAN virtual appliances as long as the system kernel supports it1. Check the Environment firstLsmod grep 290220 14384 1 18542 1 8021q2, Installation VconfigYum Install -y vconfig3. Configuring the VLAN interfaceFor example, configure VLAN 2202 at the eth2 port22022202 to IF-:eth2:-Pull the interface up and set the IPIP

Isolate-user-vlan Technical white Paper

Http://www.h3c.com.cn/Products___Technology/Technology/LAN/Other_technology/Technology_book/200804/603079_30003_0.htmIsolate-user-vlan Technical white PaperKeywords: isolate-user-vlan,secondary VLANSummary: The Isolate-user-vlan uses a two-tier VLAN structure: Isolate-user-vlan

IEEE 802.Q VLAN implemented by Linux

This article was reproduced from: http://blog.chinaunix.net/uid-20786208-id-4291059.htmlTechnorati Tags: Linux VLAN --------------------------I am the Happy dividing line--------------------------------------------------The first part: The core concept of VLAN speaking of IEEE 802.1q, are known to be VLANs, said VLAN, basically there is no blind area, network Fou

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