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Date Posted: 20:50:47 01/24/07 Wed
Author: Anandan
Subject: fping
In reply to: Anandan 's message, "Networking - Software tools" on 05:41:31 01/10/07 Wed

fping extends ping o suppot multiple hosts in parallel. Typical output is:
# fping 10.7.142.30 10.7.142.42 10.7.142.43 10.7.142.44 10.7.142.45 10.7.142.46
10.7.142.42 is alive
10.7.142.43 is alive
10.7.142.44 is alive
10.7.142.45 is alive
10.7.142.46 is alive
ICMP Host Unreachable from 10.7.142.45 for ICMP Echo sent to 10.7.142.30
ICMP Host Unreachable from 10.7.142.45 for ICMP Echo sent to 10.7.142.30
ICMP Host Unreachable from 10.7.142.45 for ICMP Echo sent to 10.7.142.30
10.7.142.30 is unreachable

6 Hosts are probed at the same time and hat the results are reported in the order replied are received.
This works the same way ping works, through sending and reciving ICMP messages. It is priamrily designed to be used with files. Several command-line options are available, including the -f option for reading a list of devices to probe from a file and -u option used to print only those systems tha are unreachable. For example:
fping -u 10.7.142.30 10.7.142.31 10.7.142.43 10.7.142.44 10.7.142.45
ICMP Host Unreachable from 10.7.142.45 for ICMP Echo sent to 10.7.142.30
ICMP Host Unreachable from 10.7.142.45 for ICMP Echo sent to 10.7.142.30
ICMP Host Unreachable from 10.7.142.45 for ICMP Echo sent to 10.7.142.30
ICMP Host Unreachable from 10.7.142.45 for ICMP Echo sent to 10.7.142.31
ICMP Host Unreachable from 10.7.142.45 for ICMP Echo sent to 10.7.142.31
ICMP Host Unreachable from 10.7.142.45 for ICMP Echo sent to 10.7.142.31
10.7.142.30
10.7.142.31

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Replies:

  • ps -- Anandan, 20:23:19 01/29/07 Mon
  • Re: ps -- Anandan, 22:37:18 02/15/07 Thu
  • Re: ps -- Anandan, 22:48:27 02/15/07 Thu
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