Date: Thu, 4 Sep 1997 10:30:27 +0930 From: Greg Lehey <grog@lemis.com> To: Brian Somers <brian@awfulhak.org> Cc: Nate Williams <nate@mt.sri.com>, Mike Smith <mike@smith.net.au>, Jaye Mathisen <mrcpu@cdsnet.net>, hackers@FreeBSD.ORG Subject: Re: Anyway to get connect speed with usermode ppp/tun0 device? Message-ID: <19970904103027.15393@lemis.com> In-Reply-To: <199709040055.BAA17559@awfulhak.demon.co.uk>; from Brian Somers on Thu, Sep 04, 1997 at 01:55:59AM %2B0100 References: <19970904101743.28980@lemis.com> <199709040055.BAA17559@awfulhak.demon.co.uk>
next in thread | previous in thread | raw e-mail | index | archive | help
On Thu, Sep 04, 1997 at 01:55:59AM +0100, Brian Somers wrote: >> On Thu, Sep 04, 1997 at 01:46:11AM +0100, Brian Somers wrote: >>> [.....] >>>> How well do modems handle fallback? If you're running PPP with LQM, >>>> that should give you a pretty reliable indication as well. I'm >>>> running a no-name Rockwell V.34 modem here, and my line quality seems >>>> to be pretty good, but on one occasion I got a whole lot of: >>>> >>>> Aug 3 17:31:05 freebie ppp[196]: Phase: HDLC errors -> FCS: 89 ADDR: 0 COMD: 0 PROTO: 0 >>>> Aug 3 17:32:05 freebie ppp[196]: Phase: HDLC errors -> FCS: 17 ADDR: 0 COMD: 0 PROTO: 0 >>>> Aug 3 17:33:05 freebie ppp[196]: Phase: HDLC errors -> FCS: 35 ADDR: 0 COMD: 0 PROTO: 0 >>>> Aug 3 17:34:05 freebie ppp[196]: Phase: HDLC errors -> FCS: 59 ADDR: 0 COMD: 0 PROTO: 0 >>>> Aug 3 17:35:05 freebie ppp[196]: Phase: HDLC errors -> FCS: 8 ADDR: 0 COMD: 0 PROTO: 0 >>>> Aug 3 17:36:05 freebie ppp[196]: Phase: HDLC errors -> FCS: 14 ADDR: 0 COMD: 0 PROTO: 0 >>>> Aug 3 17:37:05 freebie ppp[196]: Phase: HDLC errors -> FCS: 38 ADDR: 0 COMD: 0 PROTO: 0 >>>> Aug 3 17:38:05 freebie ppp[196]: Phase: HDLC errors -> FCS: 66 ADDR: 0 COMD: 0 PROTO: 0 >>>> >>>> Note that these are errors per minute. They went away when I >>>> redialled. >>> >>> Sounds like the peer stopped responding :-( >> >> No, I had a connection all the time. I was just getting a lot of FCS >> errors. > > Did you have LQM on at the time ? Yes. Isn't that what's generating the messages? > Or did you try pinging your gateway address ? Well, no, since the line was working there didn't seem to be much point. > What was the throughput like ? Slightly degraded, but acceptable. The most annoying thing was the message every minute. > You may have got a crossed line or something. As I said, it worked pretty reasonably. I suspect a noisy line. Maybe Mike's right, and it was flow control, but that tends to cause more problems when I'm transferring a lot of data. Greg
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?19970904103027.15393>