Date: Mon, 14 Apr 97 11:10:41 EDT From: Gregory_D_Moncreaff@ccmail.res.ray.com To: gurney_j@resnet.uoregon.edu, Michael Smith <msmith@atrad.adelaide.edu.au> Cc: msmith@atrad.adelaide.edu.au, freebsd-hackers@freebsd.org Subject: Re[2]: dropped packet on de0 Message-ID: <9703148610.AA861044057@ccmail.res.ray.com>
next in thread | raw e-mail | index | archive | help
on 2.1.0 ping -l loses most of its packets when the socketbuffer gets filled up. ______________________________ Reply Separator _________________________________ Subject: Re: dropped packet on de0 Author: Michael Smith <msmith@atrad.adelaide.edu.au> at SMTP Date: 4/12/97 12:02 AM John-Mark Gurney stands accused of saying: > Michael Smith scribbled this message on Apr 11: > > ping -f only sends at 100 packets/second; try 'ping -l 100000' to get > > ping to really push, or use one of the TCP throughput testing programs > > in the ports collection. > > not acording to the man page: > -f Flood ping. Outputs packets as fast as they come back or one > hundred times per second, whichever is more. For every Sorry, right answer on my part, but wrong logic. Ping -f waits for an answer to each packet before it sends the next one, to a maximum of 10ms, so it will never fill the output queue. Ping -l on the other hand just sends like crazy. > John-Mark -- ]] Mike Smith, Software Engineer msmith@gsoft.com.au [[ ]] Genesis Software genesis@gsoft.com.au [[ ]] High-speed data acquisition and (GSM mobile) 0411-222-496 [[ ]] realtime instrument control. (ph) +61-8-8267-3493 [[ ]] Unix hardware collector. "Where are your PEZ?" The Tick [[
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?9703148610.AA861044057>