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Enhanced Ping Tool Description - Last Review: July 2, 2009

The NetScanTools Pro Ping tool is an enhanced version of the classic network troubleshooting tool used to test whether a target device is reachable on an IP network. The target device can be on a local area network or across the internet. Ping can also be used to determine response time from the target device. TCP Ping takes this further: the round-trip time is TCP latency. Statistics including packet loss, minimum, average and maximum round-trip time are also shown.

There are three different modes of Ping:

  1. ICMP Echo Request/Reply Ping packets (similar to Windows ping methods)
  2. UDP packet to unused port/ICMP port unreachable reply (similar to Unix/Linux ping methods)
  3. TCP packet to a used or unused port/TCP packet reply (RST, ACK, etc.)

NetScanTools Pro enhancements to "classical" or command line Ping:

  • TCP Ping uses either SYN or ACK packets to elicit a responding TCP packet from the target. ICMP packets are not used in this mode. The round-trip time of the packet pair is the latency of the TCP connection.
  • TCP and UDP source and destination ports are separately user-defined.
  • TCP header fields are user defined and may also be randomly selected. These fields are Sequence, Window, and Acknowledgement.
  • TCP packet options section for MTU is included and the value is user defined.
  • The data portion of the payload for ICMP and UDP ping may be a simple 'a-z' repeating character string or the contents of any file you choose (binary or ascii).
  • ICMP/TCP/UDP Ping (WinPcap modes) allow full control over the Differentiated Services CodePoint Bits (DSCP) and the Explicit Congestion Notification bits, ECN-ECT, ECN-CE. You can change these bits to observe the effect on packet delivery through routers. This applies to WinPcap send/receive modes only.
  • Continuous Ping (formerly AutoPing) allows you to send a group of ping packets (any mode) to the target at a user-defined cycle time.
  • All ping results data may be optionally written to an "Autosave" text file. Columns are tab separated. The file may also include the results statistics if required.
  • High resolution timing (sub-millisecond) for all modes except MS ICMP ping.
  • Ping graphing (packet vs. time).

This function requires WinPcap for all modes except MS ICMP Ping.

  • The Custom ICMP Generator feature found in versions 10.50 and earlier was moved into the ICMP section of the Packet Generator tool.
  • The new Graphical Ping tool is specifically designed for long term visual Ping connectivity diagnostics and analysis.

VIDEO >> See it in action!

Windows Vista compatibility: Fully functional as of v10.51.

Screenshots - more are below...

ping tool screenshot

This image shows the various options available in Setup.

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