Re: Initial Route Server Stats for MAE-East

[feldman () MFSDatanet COM (Steve Feldman)]

One potential problem is that rs1 gets to nearly everyone else,
including the Gigaswitch, through the shared FDDI ring.  The shared
FDDI is now hitting 85 Mbps 5-minute averages during peak times.
        Steve

> From list-admin () merit edu  Fri Oct 20 17:58:19 1995
> To: "William B. Norton" <wbn () merit edu>
> Cc: Curtis Villamizar <curtis () ans net>, nanog () home merit edu
> Reply-To: curtis () ans net
> Subject: Re: Initial Route Server Stats for MAE-East 
> In-Reply-To: Your message of "Fri, 20 Oct 1995 14:33:51 EDT."
>              <Pine.SUN.3.91.951020142813.25539B-100000 () home merit edu> 
> Date: Fri, 20 Oct 1995 20:35:24 -0400
> From: Curtis Villamizar <curtis () ans net>
>
>
> In message <Pine.SUN.3.91.951020142813.25539B-100000 () home merit edu>, "William 
> B. Norton" writes:
> > Thanks for the feedback Curtis.  You are correct that one might get the 
> > wrong impression.  ( Our intent here was really to show the layout of the 
> > web page and get some feedback, and this ANS router just happened to be 
> > first.)  Dun just uploaded all the rest of the MAE-East Peer delay/packet 
> > loss graphs.  Thanks for the suggestion.
> >
> > Web Pointer to MAE-East graphs:   http://www.ra.net/~ra/statistics
> >
> > Bill & Dun
>
>
> Bill,
>
> Could you tell us a little more about your packet loss sampling?  Like
> how many ping packets are you using per collection point?
>
> If those packet loss statistics at the Mae are correct, we have some
> serious trouble there.  I just fired up a ping to .181 on the ring
> (MCI) and in 100 packets lost 2 (close together - I saw the sequence
> numbers that were missing).  I tried again with 1000 and got 0 loss.
> Maybe it's just an off time.  Still I can't see how you could be
> approaching anything near 10-20% on all the major providers.  You've
> got some nasty peaks there.
>
> My first inclination was to wonder if you overflowed the space for UDP
> packets by kicking off two much data collection on the RS at once.  We
> used to lose SNMP replies for that reason when we kicked off two may
> GETs at 15 minute intervals.  We'll be looking at this too to try to
> confirm the loss you are reporting.
>
> Curtis