Date: Wed, 3 Sep 1997 01:02:17 -0700 (PDT) From: Jaye Mathisen <mrcpu@cdsnet.net> To: Mike Smith <mike@smith.net.au> Cc: Greg Lehey <grog@lemis.com>, hackers@FreeBSD.ORG Subject: Re: Anyway to get connect speed with usermode ppp/tun0 device? Message-ID: <Pine.NEB.3.95.970903010025.6434A-100000@mail.cdsnet.net> In-Reply-To: <199709030659.QAA00291@word.smith.net.au>
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I want it, because it would be useful as part of a standard nightly modem check to connect to each modem, verify the connect speed is something reasonable, regardless of long-term connection characteristics, and verify the start and execution of a valid PPP stream. I would rather only do this connection once, rather than twice. It would also be nice to be able to extract the port information that I connect to, which is what I'm working on now. On Wed, 3 Sep 1997, Mike Smith wrote: > > > > No, the CONNECT string from when ppp parses up the output of the CHAT > > script... ie, connect 31200, v.34/ARQ, etc. > > Why do you want this number? It is fundamentally useless in a modern > modem environment. Consider retrain operations, fallback/fall-forward, > line hit density etc. > > The only meaningful way to determine your link's characteristics is to > measure your throughput and latency on a continuous basis. > > > > # stty -f /dev/cuaa1 -a > > > speed 38400 baud; 0 rows; 0 columns; > ... > > > The speed is specified as 'baud'; in fact, it's bit per second. > > It is correct to specify the speed as "baud" in conjunction with a > single-wire serial interface. > > > > Greg > > mike >
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