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
Ping through ICMP echo request and response
Some good examples of Ping: From http://www.thegeekstuff.com/2009/11/ping-tutorial-13-effective-ping-command-examples/ Ping Example 1. Increase or decrease the time interval between packets
By default
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
We all know, usually we in the installation of community broadband when the total heard 1m,2m bandwidth, most friends think that the ultimate speed is 2mb/s. Actually, it's not like that. Here the 1M bandwidth refers to the 1mb/s, that is, 1024kb/s,
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
Prohibit the use of PING commands under Linux
Enter the Linux system with root and edit the file Icmp_echo_ignore_allVi/proc/sys/net/ipv4/icmp_echo_ignore_allTo disable ping after changing its value to 1To unblock ping after changing its
How to use the ping command to determine network failures:
In addition to daily life, many enterprises can not be separated from the network, such as e-mail business Contacts, VoIP and real-time Internet telephony applications, VPN information
Python multi-thread ping a large number of servers online, python online
You need to ping the online status of all machines in a CIDR block. The shell takes too long to run. Use python to write a multi-thread ping command. The Code is as follows:
#!
Ifconfig Command Network configurationThe ifconfig command is used to configure and display network parameters for network interfaces in the Linux kernel. The NIC information configured with the Ifconfig command does not exist after the machine
Ping Command details
Ping can be used to test the computer name and computer ip address, verify the connection with the remote computer, verify the connection to one or more remote computers by sending icmp echo data packets to the computer and
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