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ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It is available in a wide range of operating systems – including most embedded network administration software.
In computing, a ping sweep is a method that can establish a range of IP addresses which map to live hosts.. The classic tool used for ping sweeps is fping, [1] [2] [3] which traditionally was accompanied by gping to generate the list of hosts for large subnets, [4] although more recent versions of fping include that functionality. [1]
The utility may use ARP to resolve an IP address provided by the user. The utility is similar to ping which operates at a higher network layer – probing the network at the Internet Layer via the Internet Control Message Protocol (ICMP). Two popular variants exist. One is part of Linux iputils suite, [2] and
Used for link-local addresses [5] between two hosts on a single link when no IP address is otherwise specified, such as would have normally been retrieved from a DHCP server 172.16.0.0/12 172.16.0.0–172.31.255.255 1 048 576: Private network Used for local communications within a private network [3] 192.0.0.0/24 192.0.0.0–192.0.0.255 256
NPM Agent gets to know the list of the IP addresses of other agents from OMS. NPM Agent IP starts active probes using Internet Control Message Protocol (ICMP) or Transmission Control Protocol (TCP) Ping and the roundtrip time for a ping between two nodes is used to calculate network performance metrics such as packet loss and link latency. This ...
Computer users can use a ping tool, which sends and receives ICMP Echo Request messages, to determine whether a given computer is connected to the network. You can configure Firewall to prevent or allow computer users to ping your computer. To configure your ICMP ping requests setting: 1.
Link-local addresses may be assigned manually by an administrator or by automatic operating system procedures. In Internet Protocol (IP) networks, they are assigned most often using stateless address autoconfiguration, a process that often uses a stochastic process to select the value of link-local addresses, assigning a pseudo-random address that is different for each session.
Starting 1991-06-01, was used to map Public Data Network addresses to IP addresses. Returned to IANA 2008-01-22. This network was reclaimed by IANA in 2007 and was subsequently re-allocated in 2010. See RFC 877 and RFC 1356 for historical information. [10] 15.0.0.0/8 ARIN: 1991-09