Re: MIB comments
Steven Waldbusser <waldbusser+@cmu.edu> Thu, 03 February 1994 18:41 UTC
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Date: Thu, 03 Feb 1994 13:31:40 -0500
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From: Steven Waldbusser <waldbusser+@cmu.edu>
To: modemmgt@telebit.com
Subject: Re: MIB comments
In-Reply-To: <MhGhrLC00WArR2hB8W@andrew.cmu.edu>
References: <MhGhrLC00WArR2hB8W@andrew.cmu.edu>
Does anybody have answers to the following questions?: Excerpts from modemmgt: 29-Jan-94 MIB comments Steven Waldbusser@CMU.ED (11867) > I believe at least Hayes, Microcom, and Rockwell have shipped products > based on an interim version of V.Fast. Do these implement the same > specification or any common specifications? (Do they all use the same > chip?) If so, is there a name for the spec that they use? (V.FC?) > BTW, do they interoperate? The answer to this question will enable us to decide whether to create an enumeration for this or treat it as a vendor-specific item. Excerpts from modemmgt: 29-Jan-94 MIB comments Steven Waldbusser@CMU.ED (11867) > V.58 defines ringsBeforeAnswer as 0..15. What do they mean by 0 and 1? > Should we also use 0? Which of the following is 0 rings? 1 ring? > ASAP > leading edge of first ring ( is this the same as ASAP?) > trailing edge of first ring Excerpts from modemmgt: 29-Jan-94 MIB comments Steven Waldbusser@CMU.ED (11867) > > 13. mdmStatsIncomingAbnormalTerminations - how is this different from > > failed connection requests. All connections abnormally terminate by loss > > of DCD, or some other means. > ConnectionConnectionFailures are calls that were answered but the > modems failed to sync up. It is important to note this separately > from abnormalTerminations because it often indicates misconfiguration > or incompatibilities. AbnormalTerminations are calls that sync'd up, > but were dropped in the middle. > Your point about all connections terminating by loss of DCD is > interesting. Is there a simple way to differentiate abnormal > terminations from normal terminations? Or will > successfulConnections == abnormalTerminations? The answer to this is very important. Excerpts from modemmgt: 29-Jan-94 MIB comments Steven Waldbusser@CMU.ED (11867) > >Page 27: do we need mdmStatsDTERingNoAnswers? I vote we just count > >mdmStatsRingNoAnswer. > DTERingNoAnswers tells me that my users are being screwed because the > terminal server is not ready or is misconfigured or the cable fell > out. This is a big operational problem because it will often stop > a hunt group dead. > Now let me make an observation. If we were to delete this, we could > word ringNoAnswers so that it explicitely included DTERingNoAnswers. > Then when the operator noticed that ringNoAnswers was incrementing, > she could use the RS232 MIB to check to see if DTR is the problem. > This issue to keep it is an issue of simplicity and signal to noise > ratio. You want objects that flag serious problems to have high > signal/noise ratios. The question is how big a deal this condition > is. I'd like to hear from other operational people on this. Any comments from users? Thanks, Steve
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