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
In the previous section we enable VLAN network in the ML2 configuration, and today we will create vlan100 and discuss the underlying networking changes.Open the menu, Admin, Networks, and click on the "Create Network" button.The Create page is displayed.Provider Network Type Select "VLAN". Physical Network fill in "Default" and must be consistent with Ml2_conf.ini network_vlan_ranges. The
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
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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
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
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
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
With the rapid development of information technology, especially the continuous improvement of computer and network technology, people's transmission requirements for the network are more and more high, in the competition, Ethernet with its high transmission speed, low consumption, easy to install and good compatibility, such as the advantages of becoming the first choice for modern enterprise network, VLAN technology is a good solution to the problem
In the previous section we enable VLAN network in the ML2 configuration, and today we will create vlan100 and discuss the underlying networking changes.Open the menu, Admin, Networks, and click on the "Create Network" button.The Create page is displayed.Provider Network Type Select "VLAN". Physical Network fill in "Default" and must be consistent with Ml2_conf.ini network_vlan_ranges. The
VLAN:I. Causes of VLAN generation: Ethernet lacks forwarding Control MeasuresIi. VLAN technology goals: isolate broadcast and security3. Implement VLAN1. vlan TAG: TAG (4B: 2B TPID, 2B PRi + vlan id) without untag2. vlan Division: Based on port, MAC, IP subnet, protocol, and
Virtual local Area network VLANa Experimental topologies (using the simulator GNS3 )650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M02/5B/41/wKiom1UC1nCwI5wgAADtERJv3wA282.jpg "title=" 1.png " alt= "Wkiom1uc1ncwi5wgaadterjv3wa282.jpg"/>two Experimental RequirementsPC1 and the PC3 belongs to the finance DepartmentPC2 and the PC5 belongs to the finance DepartmentPC4 and the PC6 belongs to the finance DepartmentGuarantee Different VLAN cannot be
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
A sample code for VLAN configuration problems of a vswitch. It is very common to set a VLAN name. According to the 51cto editor, the basic knowledge about VLAN settings of vswitches must be tested in order to make greater progress.
Apply to the port. First, set the VLAN name. Use the vlanvlan number namevlan name. Conf
I. Lab Objectives
Master the configuration of the switch tag VLAN;
Master the basic configuration methods of layer-3 switches;
Measure the test taker's knowledge about how to configure VLAN routing for a layer-3 switch;
Layer-3 switches are used to implement inter-VLAN communication;
Ii. Lab background
An enterprise has two main depart
Tags: Database Cisco switch Communication
Experiment: packet capture with intrinsic VLAN
Lab Topology
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Lab requirements
The two PCs are in the same VLAN, so that the VLAN
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