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Ping operates by means of Internet Control Message Protocol (ICMP) packets. Pinging involves sending an ICMP echo request to the target host and waiting for an ICMP echo reply. The program reports errors, packet loss , and a statistical summary of the results, typically including the minimum, maximum, the mean round-trip times, and standard ...
Echo reply (used to ping) 1 and 2 unassigned: Reserved: 3 – Destination Unreachable [2]: 4 [8] 0: Destination network unreachable 1: Destination host unreachable 2: Destination protocol unreachable 3: Destination port unreachable 4: Fragmentation required, and DF flag set 5: Source route failed 6: Destination network unknown 7: Destination ...
PathPing is a utility introduced with Windows NT that combines ping and traceroute functionality. MTR is an enhanced version of ICMP traceroute available for Unix-like and Windows systems. The various implementations of traceroute all rely on ICMP Time Exceeded (type 11) packets being sent to the source.
ITU-T Q.2111 (1999) 0x81 129 IPLT 0x82 130 SPS Secure Packet Shield: 0x83 131 PIPE Private IP Encapsulation within IP Expired I-D draft-petri-mobileip-pipe-00.txt: 0x84 132 SCTP Stream Control Transmission Protocol: RFC 4960: 0x85 133 FC Fibre Channel: 0x86 134 RSVP-E2E-IGNORE Reservation Protocol (RSVP) End-to-End Ignore RFC 3175: 0x87 135 ...
Purple means recently, while grey indicates the past 24 hours. It's a little different for Android phones because there are so many different versions by various device manufacturers. In general, go to settings , and then tap the Location icon, which lets you turn it on or off for all apps.
Google Public DNS is a Domain Name System (DNS) service offered to Internet users worldwide by Google.It functions as a recursive name server.Google Public DNS was announced on December 3, 2009, [1] in an effort described as "making the web faster and more secure."
This means that 256 /8 address blocks fit into the entire IPv4 space. As IPv4 address exhaustion has advanced to its final stages, some organizations, such as Stanford University, formerly using 36.0.0.0 / 8, have returned their allocated blocks (in this case to APNIC) to assist in the delay of the exhaustion date.
The advantages of PathPing over ping and traceroute are that each node is pinged as the result of a single command, and that the behavior of nodes is studied over an extended time period, rather than the default ping sample of four messages or default traceroute single route trace. The disadvantage is that it takes a total of 25 seconds per hop ...