I. Ping Introduction Ping is a command in windows, which is also available in UNIX and Linux. Ping also belongs to a communication protocol and is part of the TCP/IP protocol. The ping command can be used to check whether the network is connected,
Some netizen message asks a question: Why installs the operating system to be unable to surf the net. My answer is: the normal Internet access depends on three: 1. There is no problem with the NIC and its driver; 2. There is no problem with the
The ping command in Linux is a commonly used network Command. it is usually used to test the connectivity with the target host. we often say, "ping a machine, check if it is on. "If you cannot open the webpage, you will say," You should ping the
Article No.: 1005-6033 (2006) 18-0230-02
Abstract: A convenient and practical ping command for Network Fault Diagnosis tool is introduced. The working principle, usage method and practical application in Network Fault Elimination are discussed.
Key
1) how to view the port opened on the local machine:
Run the netstat-An command to view details! Next, stat has some English letters. Let me briefly explain what these English letters represent ~
Listen: listens for connection requests from remote
ping command Use Tips
One, ". 0" can be omitted conditionally
We often use the "ping 127.0.0.1" command on this machine to do loop testing, to verify that the local TCP/IP protocol cluster is installed correctly. Win7 system download but did you
Socket is a set of interfaces built on the TCP/IP protocol is not a protocolApplication layer: HTTP FTP SMTP WebTransport layer: Provides logical, not physical, communication between two applications (TCP UDP)TCP reliable connection-oriented
I. ping Command principle and working mechanism
• The ping command is generally used to detect network connectivity and network latency. The larger the value is, the slower the PING (PacketInternet Grope) and the Internet package Explorer are used
In LINUX, prohibit the use of the ping command from entering the Linux system as root, then, edit the file icmp_echo_ignore_allvi/proc/sys/net/ipv4/icmp_echo_ignore_all and change the value to 1. then, an error is displayed when the PING value is
The Ping command sends an Internet Control Message Protocol (ICMP) echo request message to verify the IP-level connection with another TCP/IP computer. it is an important command, today, I will explain how to use the ping command in linux.
• The
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