Date: Sun, 03 Aug 1997 19:34:08 -0400 From: "Gary Palmer" <gpalmer@FreeBSD.ORG> To: j@uriah.heep.sax.de (J Wunsch) Cc: freebsd-bugs@hub.freebsd.org Subject: Re: bin/4218: change in ping behavior: -c now counts _received_ packets Message-ID: <11069.870651248@orion.webspan.net> In-Reply-To: Your message of "Sun, 03 Aug 1997 01:00:02 PDT." <199708030800.BAA12082@hub.freebsd.org>
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J Wunsch wrote in message ID <199708030800.BAA12082@hub.freebsd.org>: > As bkogawa@primenet.com wrote: > > > /sbin/ping -c <count> now pings until <count> pings are _received_, > > not until <count> pings are sent. > I agree that this behaviour is not what one would usually expect from > -c, but it seems to be this way in all ping -c versions i've seen so > far. > What makes you think this has been changed recently? You can easily > verify in CVS that it has been this way all the time for FreeBSD, at > least. So, while you're constantly speaking about `reverting' > something, there isn't really something to revert. Implementing it as > a count of _sent_ packets would be a plain paradigm change, so it > should probably be done with a different option. If ping does now use the received packet count, then something did infact change. mrtg's RTT measuring script uses -c to limit the packets sent, preventing the script going into a slow death for a host that is dead/unreachable. -c on FreeBSD has meant transmitted packets for a year at least. gpalmer@orion:~> ping -c 2 206.154.70.2 PING 206.154.70.2 (206.154.70.2): 56 data bytes --- 206.154.70.2 ping statistics --- 2 packets transmitted, 0 packets received, 100% packet loss (FreeBSD 2.1.x) Gary -- Gary Palmer FreeBSD Core Team Member FreeBSD: Turning PC's into workstations. See http://www.FreeBSD.ORG/ for info
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