Internet command

Xem 1-20 trên 225 kết quả Internet command
  • Used to communicate IP status and error messages between hosts and routers Uses IP to route its messages between hosts Must be implemented with IP remember, IP is just a packet delivery system transmits and routes datagrams from sources to destinations through a series of interconnected networks it has a checksum in the IP header to detect lost bits no error detection on the datagram payload though but has no native mechanism for source host notification This is where ICMP comes in its used to report IP errors to the source host ICMP data is carried as the payload of an IP datagram specifie...

    ppt19p muathu_102 28-01-2013 28 2   Download

  • This book is for anyone who wants to master Linux from the command line. When writing it, I had in mind system administrators, software developers, and enthusiastic users who want to get things going from the Linux command line. For beginning users, this may be a daunting task, as Linux commands often have many options documented only in man pages that are not that easy to understand.

    pdf381p daokim 04-08-2009 378 179   Download

  • I know it’s kind of wrong to say this type of stuff about your own stuff, but I’m just going to do it—this is a really good book! It might even be the most interesting book I’ve written so far. A big reason for this is that its scope allowed me to go above and beyond covering the usual CCNA study guide material and really detail the commands I used in the guide, plus a lot of additional commands that just happen to be some of my personal favorites. Do remember that, although very cool indeed, this volume isn’t intended to be a one-stop shop for...

    pdf1p trungha 28-08-2009 104 28   Download

  • Upon completion of this lab, the student will be able to navigate the DOS command line. The student will also be able to perform basic file management tasks such as creating directories and files, navigating through directories, displaying content of directories, and displaying and changing file attributes.

    pdf5p laquang 03-09-2009 124 21   Download

  • In addition to the compilers for Visual Basic .NET (vbc.exe), C++ (cl.exe), and C# (csc.exe), the Microsoft .NET Framework SDK adds a number of tools designed to make it easier for you to create, deploy, and manage applications and components that target the .NET Framework. This appendix will introduce these tools and will also detail the command-line usages of vbc.exe.

    pdf1p laquang 28-08-2009 67 8   Download

  • CDP discovers and shows information about directly connected Cisco devices, including routers and switches. CDP is a Cisco proprietary protocol that runs at the data link layer of the OSI model. The data link layer is Layer 2 of the OSI model. This allows devices that may be running different network Layer 3 protocols, such as IP or IPX, to learn about each other. CDP begins automatically upon a device system startup. However, if Cisco IOS Release 10.3 or a newer version is used, CDP must be enabled on each of the device interfaces. Enable CDP by using the cdp enable command.

    pdf6p thanhha 27-08-2009 111 7   Download

  • This lab helps the student become familiar with the router show commands. The show commands are the most important information-gathering commands available for the router. • show running-config (or show run) is probably the single most valuable command to help determine the current status of a router, because it displays the active configuration file running in RAM. • show startup-config (or show start) displays the backup configuration file that is stored in non-volatile RAM (NVRAM).

    pdf4p thanhha 27-08-2009 80 6   Download

  • Để bắt đầu, bạn cần kích hoạt thanh Command (nếu nó không được kích hoạt sẵn) bằng cách bấm chuột phải vào một vùng trống trên thanh công cụ và chọn Command Bar từ trình đơn ngữ cảnh hiện ra. Bấm vào nút Tools trên thanh Command và chọn Toolbars Disable add- ons từ menu hiện ra. Một hộp thoại có tên là Choose Add-ons sẽ xuất hiện, tại đây, bạn sẽ thấy danh sách các add-on đang có trên IE9 sẽ được liệt kê.

    pdf3p bibocumi34 19-03-2013 21 6   Download

  • Q: Are pings forwarded by routers? A: Yes! This is why you can ping devices all over the Internet. Q: Do all devices forward or respond to pings? A: No, this is up to the network administrator of the device. Devices, including routers, can be configured not to reply to pings (ICMP echo requests). This is why you may not always be able to ping a device. Also, routers can be configured not to forward pings destined for other devices.

    ppt27p vanmanh1008 21-05-2013 26 4   Download

  • This lab you will look at the output of one command the show techsupport command that combines several common and not so common commands to provide a snapshot of your device to help technical support deal with a difficult problem.

    pdf1p thutrang 28-08-2009 67 3   Download

  • In short, spokes of an area peer with the hub through remote-peer command. They have "promiscuous" on so that they can accept peer connections from other spokes. The hub peers with the hub of the next "group" through a remote-peer command, and also has promiscuous on so that it can receive connections from the spokes in its area.

    pdf1p laquang 03-09-2009 30 2   Download

  • After studying this chapter you will be able to: Be familiar with the ICMP message format, know the types of error reporting messages, know the types of query messages, be able to calculate the ICMP checksum, know how to use the ping and traceroute commands, understand the modules and interactions of an ICMP package.

    ppt51p tangtuy09 26-04-2016 6 1   Download

  • Thông thường để cấu hình và đặt địa chỉ IP cho các máy trong mạng bạn chỉ cần cấu hình trong Network Connections và thiết lập địa chỉ IP trong giao thức TCP/IP bằng giao diện Windows. Nay chúng tôi giới thiệu thêm một phương pháp cấu hình địa chỉ IP sử dụng câu lệnh Command line đôi khi cách này sẽ được dùng trong các trường hợp cần thiết

    pdf2p daokim 04-08-2009 812 226   Download

  • Bước 1. Trong Excel bạn chọn lệnh Tools / Macro / Visual Basic Editor (hoặc ấn tổ hợp phím Alt + F11) Bước 2. Trong cửa sổ soạn thảo code VBA hiện ra bạn chọn Insert / Module rồi nhập vào phần soạn thảo bên phải đoạn code

    doc1p thanhspktcdt10 20-06-2011 219 51   Download

  • This lab is designed to walk you through a basic VLAN configuration using two Catalyst 1900 (or 2820) series switches. This lab shows you step-by-step what commands to type in and how to check that you have configured things correctly. Each switch must be configured with the Enterprise edition software. The Cisco IOS software CLI is not available if the switch has been configured with the Standard edition software.

    pdf1p trungha 28-08-2009 183 50   Download

  • Multiprotocol Label Switching Multiprotocol Label Switching (MPLS) is a standards-approved technology for speeding up network traffic flow and making it easier to manage. MPLS involves setting up a specific path for a given sequence of packets, identified by a label put in each packet, thus saving the time needed for a router to look up the address to the next node to forward the packet to. MPLS is called multiprotocol because it works with the Internet Protocol (IP), Asynchronous Transport Mode (ATM), and frame relay network protocols....

    pdf78p greenwind007 13-09-2012 117 43   Download

  • This document contains possible recommended settings for the system Registry. You can severely impair or disable a Windows NT System with incorrect changes or accidental deletions when using a Registry editor (Regedt32.exe or Regedit.exe) to change the system configuration. Currently, there is no “undo” command for deletions within the Registry. Registry editor prompts you to confirm the deletions if “Confirm on Delete” is selected from the options menu. When you delete a key, the message does not include the name of the key you are deleting.

    pdf22p mylinh 11-08-2009 192 41   Download

  • This guide covers the three remote access to MPLS VPN network architectures: dial, DSL, and cable. The guide references features described in the Cisco IOS configuration guides and command references. Consult those documents for additional information. This guide is meant for new and existing MPLS VPN service providers. It includes overview and configuration information designed to enable users to get their systems running as quickly as possible. However, it does not include extensive software configuration instructions.

    pdf1p trungha 28-08-2009 185 35   Download

  • One of the most important aspects of getting a Red Hat Linux system up and running is configuring the user interface. For most nonadministrative users, this means configuring the X Window interface. The X Window System is the Linux graphical user interface (GUI). While the GUI plays an integral part of other operating systems such as Microsoft Windows, the X Window System on Linux is essentially just another application. Many administrators don’t even bother with the GUI; the command line interface is enough for most administrative purposes....

    pdf54p mylinh 17-08-2009 155 34   Download

  • Ethernet-based data services offer the opportunity to create differentiation, command premium pricing, and earn higher margins for such value-added data services as transparent LANs, storage area networks, and virtual private networks. Extending native 10/100Base-T and Gigabit Ethernet services across the LAN, WAN, and MAN means data services are less expensive to deploy, provision quickly, and offer exceptional reliability and security.

    pdf22p mylinh 14-08-2009 74 33   Download

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