From owner-freebsd-hackers Mon Apr 14 08:55:48 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.5/8.8.5) id IAA22704 for hackers-outgoing; Mon, 14 Apr 1997 08:55:48 -0700 (PDT) Received: from gatekeeper.ray.com (gatekeeper.ray.com [138.125.162.1]) by freefall.freebsd.org (8.8.5/8.8.5) with ESMTP id IAA22699 for ; Mon, 14 Apr 1997 08:55:40 -0700 (PDT) From: Gregory_D_Moncreaff@ccmail.res.ray.com Received: (mailer@localhost) by gatekeeper.ray.com (8.7.5/8.7.3) id LAA26739; Mon, 14 Apr 1997 11:56:13 -0400 Received: from jaguar.nmc.ed.ray.com by gatekeeper.ray.com; Mon Apr 14 11:53:54 1997 Received: from ccmail.res.ray.com (CCRT15.ED.RAY.COM) by jaguar.nmc.ed.ray.com (4.1/SMI-4.1-DNI) id AA08658; Mon, 14 Apr 97 11:53:29 EDT Received: from ccMail by ccmail.res.ray.com (SMTPLINK V2.11) id AA861044057; Mon, 14 Apr 97 11:10:41 EDT Date: Mon, 14 Apr 97 11:10:41 EDT Encoding: 33 Text Message-Id: <9703148610.AA861044057@ccmail.res.ray.com> To: gurney_j@resnet.uoregon.edu, Michael Smith Cc: msmith@atrad.adelaide.edu.au, freebsd-hackers@freebsd.org Subject: Re[2]: dropped packet on de0 Sender: owner-hackers@freebsd.org X-Loop: FreeBSD.org Precedence: bulk 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 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 [[