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appropriate network devices (physical or virtual).Both type and Mechanisim are too abstract, now let's take a concrete example: Type driver for Vlan,mechansim driver for Linux Bridge, and what we're going to do is create the network vlan100, then: VLAN type driver ensures that vlan100 information is saved to the Neutron database, including the network name, VLAN ID, and so on. Linux Bridge mechanism driver ensures that the Linux brige agent on each node creates a VLAN device with I

Opendaylight, VMWare NSX, and more.Physical switch basedIncludes Cisco Nexus, Arista, Mellanox, and more. For example, in the previous example, if you switch to Cisco's mechanism driver, you will add vlan100 on the specified trunk port of the Cisco physical switch.The mechanism driver discussed in this tutorial will cover Linux bridge, open vswitch and L2 population.The role of ML2 mechanism driver for Linux Bridge and open Vswitch is to configure th

added to the appropriate multicast forwarding tree (VETP). (Refer to PIM-SM multicast forwarding tree for details)2.VM1 needs to send a 192.168.0.101 message with the destination address VM2, first to send an ARP query message.3.VTEP1 receives the ARP query message because the destination address of the ARP query is full F, encapsulating a group of broadcasts sent to the multicast group.4.VNI other Vtep received the group broadcast text, after unpacking the VM1 's MAC address and VTEP1 address

650) This. width = 650; "src =" http://s3.51cto.com/wyfs02/M01/3A/37/wKioL1O7ZZLTqwZZAADcvSF1tow080.jpg "Title =" 20140708112430555.jpg" alt = "wkiol1o7zzltqwzzaadcvsf1tow080.jpg"/> Although all vertices on Software Defined Network (SDN) are stimulated by openflow, it has been time to program the network using various standard tools. Openflow is not the only way to implement Sdn. To implement SDN, there are at least six methods or approaches besides openflow. Command line interface (CLI) CLI is

The effect chart is not complex, the text mainly by the crystal word, luminous, adornment three parts constitute. It's also easy to make. First use the layer style to make crystal effect, and then use stroke path and so make luminous effect, later add some decorations can. 　　The final effect of the Photoshop tutorial 1, new 1024*768px size document, set foreground color is #264c55, background color is #322d2d, pull radial gradient. 2, play the text, layout good locat