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oping
Langue: en
Version: 2009-12-20 (fedora - 01/12/10)
Section: 8 (Commandes administrateur)
NAME
oping - send ICMP ECHO_REQUEST to network hostsSYNOPSIS
oping [-4 | -6] [-c count] [-i interval] host [host [host ...]]oping [-4 | -6] [-c count] [-i interval] -f filename
DESCRIPTION
oping uses ICMPv4 or ICMPv6 ECHO_REQUEST packets to measure a hosts reachability and the network latency. In contrast to the original ping(8) utility oping can send ICMP packets to multiple hosts in parallel and wait for all ECHO_RESPONSE packets to arrive. In contrast to the fping utility (URL is listed in ``SEE ALSO'') oping can use both, IPv4 and IPv6 transparently and side by side.OPTIONS
- -4
- Force the use of IPv4.
- -6
- Force the use of IPv6.
- -c count
- Send (and receive) count ICMP packets, then stop and exit.
- -i interval
- Send one ICMP packet (per host) each interval seconds. This can be a floating-point number to specify sub-second precision.
- -t ttl
- Set the IP Time to Live to ttl. This must be a number between (and including) 1 and 255. If omitted, the value 64 is used.
- -I address
- Set the source address to use. You may either specify an IP number or a hostname. You cannot pass the interface name, as you can with GNU's ping(8) - use the -D option for that purpose.
- -D interface name
- Set the outgoing network device to use.
- -f filename
- Instead of specifying hostnames on the command line, read them from filename. If filename is -, read from "STDIN".
If the real user ID (as returned by getuid(2)) and the effective user ID (as returned by geteuid(2)) differ, the only argument allowed for this option is ``-'' (i. e. standard input). This is meant to avoid security issues when oping is installed with the SUID-bit.
SEE ALSO
ping(8), <http://www.fping.com/>, liboping(3)AUTHOR
liboping is written by Florian octo Forster <octo at verplant.org>. It's homepage can be found at <http://verplant.org/liboping/>.(c) 2005-2009 by Florian octo Forster.
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