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Cisco layer three switch configuration commands and explanations

current configurations# copy running-config Startup-config saves the current configuration in RAM into the NVRAMS> show interface [Type slot_#/port_#] View information for all or specified interfacesS> show IP Display IP configuration of the switch (available on 1900 series only)S> Show version View device informations# show ip interface brief verify IP configurationS (config-if) # speed 10|100|auto set interface rateS (config-if) # Duplex Auto|full|half Set Interface Duplex modeS> show mac-add

Cisco first day

. The switch works on the second layer of the OSI Reference Model, the data link layer. The CPU inside the switch is connected to each port successfully, and the MAC address and port correspond to form a Mac table. In future communications, packets destined for that MAC address will be sent only to their corresponding port, not all ports. Therefore, the switch can be used to divide the data link layer broadcast, namely the conflict domain, but it cannot divide the network layer broadcast, namely

Layui+jfinal templates in HTML for front-end search functionality

inputtype= "text"ID= "Campus"class= "Layui-input"onkeyup= "ck (this.value);"placeholder= "Please enter the English house to find">//Input Trigger boxDivclass= "Layui-input-block layui-form"ID= "Cam"Lay-filter= "Cam">This is the container for the campus to be displayed, this page is renderedDiv>//Template data//Because this piece uses the Layui statement and the jfinal statement, you need to put the Layui #

Easy to make Flash format software operation courseware

Flash Cam can record the operation of the screen, made into a flash file, but also can be edited, add comments, narration, more image of the operation to explain. In this way, to answer friends about the computer problem is more intuitive, and the flash format of the file small, very convenient transmission. Now let's take a look at how this software is recording the screen process. ( Click here to download) The software can not only record all the op

LSPCI Command Detailed analysis

number. Because the PCI specification allows a single system to have up to 256 buses, the bus number is 8 bits. However, for large systems, this is not enough, so, introduced the concept of the domain, each PCI domain can have up to 256 bus, each bus can support 32 devices, so the device number is 5 bits, and each device can have up to 8 functions, so the function number is 3 bits. Thus, we can conclude that the address of the above PCI device is the number 1th function on the No. 31st device

Use opencv in QT creator to collect camera Information

Previously, opencv was compiled on QT creator. Therefore, the camera information needs to be collected as required. Therefore, I collected some information on the Internet, followed the instructions of the gourd painting, and finally successfully collected the information. Open qtcreator and create a widget project. Put two labels on the interface to display the data and photos collected by the camera. The source code in widget. H is as follows: # Ifndef widget_h #define WIDGET_H #include #in

Basic tutorial 7 (cegui and ogre II)

new source file containing the following code: #include "ExampleApplication.h"#include #include #include class TutorialListener : public ExampleFrameListener, public OIS::MouseListener, public OIS::KeyListener{public: TutorialListener(RenderWindow* win, Camera* cam) : ExampleFrameListener(win, cam, true, true) { mContinue=true; mMouse->setEventCallback(this); mKeyboard->setEventCallback(

The simplest example of Flash-based streaming media: RTMP push and receipt (ActionScript) and rtmpactionscript

. ** This software is written in Actionscript3, it streams camera's video to * RTMP server. * It's the simplest RTMP streamer based on ActionScript3. **/package {import flash. display. movieClip; import flash.net. netConnection; import flash. events. netStatusEvent; import flash.net. netStream; import flash. media. video; import flash. media. camera; import flash. media. microphone; // import flash. media. hsf-profile; // import flash. media. hsf-videostreamsettings; public class simplest_as3_rt

Postgresql queries the DB2 \ Oracle table through the fdw_JDBC connection

] # ldconfig2. Download The JDBC_FDW Module[Root @ db2 JDBC_FDW] # git clone git: // github.com/atris/JDBC_FDW.git[Root @ db2 JDBC_FDW] # cd JDBC_FDW4) Execute Make Clean[Root @ db2 JDBC_FDW] # sudo PATH =/usr/local/pg9.5.5/bin/: $ PATH make USE_PGXS = 1[Root @ db2 JDBC_FDW] # cp jdbc_fdw.control/usr/local/pg9.5.5/share/postgresql/extension/[Root @ db2 JDBC_FDW] # cp jdbc_fdw -- 1.0. SQL/usr/local/pg9.5.5/share/postgresql/extension/[Root @ db2 JDBC_FDW] # cp jdbc_fdw.so/usr/local/pg9.5.5/lib/pos

Open vswitch Research: vswitchd

Vswitchd is a user-state daemon process. Its core is to execute the ofproto logic. We know that ovs is implemented in accordance with the openflow switch specification. Taking Layer 2 packet forwarding as an example, a traditional switch (including the implementation of Linux Bridge) searches for a cam table, find the port corresponding to the DST Mac, while the implementation of the open vswitch is to find whether there is a corresponding flow based

Analysis of kernel reading Linux2.6.34 kernel bridging data Forwarding (iii) __linux

If there is any mistake, please correct the study. Handle_bridge () function, which is in the LINUX2.6.34\NET\CORE\DEV.C Here's a callback to the Br_handle_frame_hook () function, which is a hook function. The Br_handle_frame_hook () function is br_handle_frame_hook=br_handle_frame in linux2.6.34\net\bridge\br_input.c, so the actual function is Br_ Handle_frame. function to raise the destination address in the packet, if the destination address is the local MAC address will call the Br_handl

"Unity" mouse pointing to an object, displaying the name of the object, etc.

has been used Ngui HUD text plugin to do this function, feel a small function on a plug-in is simply insane. Then I wrote a ~ idea and plug-in the same way. But Ah but ah ~ My this small idea seems definitely more convenient than the plug-in AH ~ because Ah, I have this one function Ah ~Waiter, on the code ~ ~ ~Camera Cam;//a camera for emitting raysCamera Uicam;//the camera at the UI layerVector3 MP;//Mouse PositionTransform Targettransform;//the sel

Detailed explanation and analysis of lspci

domain can have up to 256 buses, and each bus can support 32 devices, therefore, the device number is five bits, and each device can have a maximum of eight functions, so the function number is three bits. As a result, we can obtain that the IP address of the above PCI device is the No. 1 function of the No. 31 device on the Bus No. 0 in the 0 domain.So what is the above PCI device? The following is the output of the lspci command on my computer:. 0 host bridge: Intel Corporation 82845 845 (Bro

) Red5 video chat source code

. textfield;Import flash. Text. textformat;Import flash. UI. keyboard; /***... Red5 video chat...* @ Author Jerry*/Public class videochat extends sprite {// AttributesPrivate var IP: string;Private var Redpath: string;Private var NC: netconnection;Private var ns: netstream;Private var NS2. netstream;Private var cam: camera;Private var mic: microphone;Private var listso: Export dobject;Private var msgso: Export dobject;Private var userarr: array;Privat

Cartoon rendering effect script

@ Script executeineditmode Class edgedetecteffectnormals extends imageeffectbase { VaR rendersceneshader: shader; Private var rendertexture: rendertexture; Private var shadercamera: gameobject; Function ondisable (){ Super. ondisable (); Destroyimmediate (shadercamera ); If (rendertexture! = NULL ){ Rendertexture. releasetemporary (rendertexture ); Rendertexture = NULL; } } Function onprerender () { If (! Enabled |! Gameobject. Active) Return; If (rendertexture! = NULL

Problems encountered in pads-emsym angxin Technology

Original Title: problems encountered in powerpcb Reprinted from: http://www.emsym.com/blog/ Emsym angxin Technology 1. Questions about the virtual outer frame of the passing hole: As shown in: The outer frame refers to the gap between the via and other devices. The size can be set in design rule. The size of the isolation ring between the copper skin and the hole is the distance between the hole and the copper skin (via to copper). By setting the distance, determine which hole

Texture drawing and detail carving tools 3d.brush.v2.03.sp2 1CD

detail carving tools)Shoemaster v3.04-iso 1CD (shoe industry's leading CAD/CAM system)Venture Products:Fenix.v4.1-iso 1CD (Advanced engraving and Milling program)Trumpf Products:TRUMPF ToPs V3.0-iso 1CD (Bending programming system)Trutops Laser V.6.10.6-iso 2CD (lasers and waterjet processing programming system)GP Inc Products:Cam-tool V4.0-iso 1DVD (Simplified, Traditional Chinese version, mold and high-speed machining of CAD,

Unity gets the mouse position on the Ugui

public class getmousepos:monobehaviour{public canvas canvas;//canvas private recttransform recttransform;//coordinates void Start () { canvas = gameobject.find ("Canvas"). GetcomponentCreate a new scene, drag a canvas in the scene, and hang up the script anywhere.Recttransformutility: Matrix Transform ToolRecttransformutility.screenpointtolocalpointinrectangle from the screen point to the local point inside the rectangleParameters parameters Rect The Rectt

Videocapture library to create a python high-speed video transmission program

1. First of all, it is the collection of [camera images] of video data. Generally, we can use vfw to implement it in vc or vb. I am not using this library well, so I have never used it very much. now we use the python videocapture library, which is easy to use as follows: Copy codeThe Code is as follows:From VideoCapture import DeviceCam = Device ()Cam. setResolution (320,240) # Set the display resolutionCam.saveSnapshot('demo.jpg ') # capture and sav

Allows you to take photos online and browse photos online based on jQuery + PHP + Mysql,

to load necessary js files in index.html, including the jQuery library, fancybox plug-in, flash camera component: webcam. js, and the script. js required to combine various operations in this example. CSS In order to present a very beautiful front-end interface for everyone, we use css3 to implement some shadow, rounded corners, and transparency effects. Please refer: #photos{width:80%; margin:40px auto} #photos:hover a{opacity:0.5} #photos a:hover{opacity:1} #camera{width:598px; height:525px;

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