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Re: [802.3_YANG] 802.3cf YANG Task Force Ad Hoc



Sounds good. Can you send a basic presentation ahead of time so we can structure the discussion?







Peter Jones 

802.3cf YANG Task Force Ad Hoc Chair          



From: Robert Wilton -X (rwilton - ENSOFT LIMITED at Cisco)
Sent: Friday, January 27, 2017 6:37 AM
To: Peter Jones (petejone) <petejone@xxxxxxxxx>; STDS-802-3-YANG@xxxxxxxxxxxxxxxxx
Subject: Re: [802.3_YANG] 802.3cf YANG Task Force Ad Hoc


Hi Peter, all,

There are two things that I would like to discuss at Monday's Ad Hoc please:

(1) I would like to discuss the interface statistics a bit further:
  - the interim suggested keeping a higher granularity of frame drop/error counters, but the detailed counter registers do not appear to be defined in clause 30.

So, at the moment, I have defined the following 3 error counters:
          +--ro in-error-fcs-pkts? // 64 <= pkt <= 1518, bad FCS or alignment
          +--ro in-error-runt-pkts? // pkt < 64, good or bad FCS
          +--ro in-error-giant-pkts? // pkt > MRU, good or bad FCS.

The problems that I'm trying to work around in Clause 30 is that there don't appear to be separate registers for:
in-pkts-errors-runt         counter64, // pkt < 64, good frame
in-pkts-errors-fragment     counter64, // pkt < 64, bad frame
in-pkts-errors-giant        counter64, // pkt > MRU, good frame
in-pkts-errors-jabber       counter64, // pkt > MRU, bad frame

There are separate registers in clause 30 for bad FCS vs bad alignment. However, from " aAlignmentErrors": "This counter will not increment for group encoding schemes encoding greater than 4 bits per group.".  Does this imply that this counter will be 0 for all speeds at 1GB/s or faster?

(2) The IETF/IEEE liaison meeting is on Monday, a couple of hours after the Task Force Ad Hoc.  I will email them to give them a heads up that I want to speak about RMON MIB vs Ethernet 802.3 YANG.  But it would be good to confirm what I say for that meeting.


On 27/01/2017 01:24, Peter Jones (petejone) wrote:



We have a call coming up Monday January 30, 2017 7:00 AM-8:00 AM (UTC-08:00) Pacific Time (US & Canada).


This will be our first call for the year.


Please let me know by end of Day Saturday if you would like to present.


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Peter Jones 

802.3cf YANG Task Force Ad Hoc Chair          






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