Messages in this thread |  | | Date | Thu, 19 Sep 1996 09:11:56 -0700 (PDT) | From | Jeff Gustafson <> | Subject | Re: 2.0.20: ppp0 ifconfig errors |
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On Thu, 19 Sep 1996, Rob van Nieuwkerk wrote:
> In linux.dev.kernel you write: > > >Hello all, > > > I don't want to come off like I'm sounding a siren, but I have > >noticed something odd with kernels 2.0 since sublevel 18 or so. I get > >unreasonable numbers of errors in the ifconfig count for my ppp0 > >interface. Some background: I've been using the same hardware/phone > >line/ISP since about 1.3.50 and have never seen this before. I'm using > >ppp-2.2.0f as a module. Only since 2.0.18 (or thereabouts) have I been > >seeing *any* errors on an ifconfig report. After only a few hours of > >uptime, I have a report like this: > > >ppp0 Link encap:Point-Point Protocol > > inet addr:204.157.220.226 P-t-P:204.157.220.8 Mask:255.255.255.0 > > UP POINTOPOINT RUNNING MTU:296 Metric:1 > > RX packets:21426 errors:217 dropped:217 overruns:0 > > TX packets:13815 errors:0 dropped:0 overruns:0 > > I see this too. I can't remember ever seeing this in the past. > First I thought it happened because of a serial board swap on > a machine but I suspect it has something to do with serial overruns / > interrupt latency problems when receiving data. I see it on my 2 PPP > router machines: (machine1: Cyrix 486 DX2/66, 4 MB, machine 2: Intel > 486/33 20 MB) Both run 2.0.20 and have 16550As and are connected with 115 > Kb to USR Courier modems. Machine 1 gets an occasional error. Lets say > a few per week. Machine 2 considerably more. Something like 25 a day. > This is interesting because the bulk of the traffic goes from machine > 2 to machine 1. Maybe the small memory of machine 2 plays a role ?
I see the same thing. I thought it was a bad line, but I couldn't understand why only one system was seeing errors.
--- Jeffrey Gustafson -- jeffgus@packardbell.com Technical Specialist & SysAdmin On-Line Services Group Packard Bell Electronics, Inc.
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