Hi, last week we spent a day or so debugging why a TCP session on Contiki stopped at a certain time to deliver data for about 3 seconds. We ended up instrumenting various pieces of code with counters and finally ended up with an issue in the 6lowpan code where the code mistakenly believed it is in reassembly mode and hence it dropped packets until the reassembly timer expired. What really took us time was that we had to instrument the code to in order to get an idea where the packets were discarded (initially it was not even clear it is the 6lowpan layer).
So I thought I write up a definition of a set of counters for the 6lowpan layer in the form of a MIB module - perhaps it is possible to find agreement on the counters. For those scared by MIBs and SNMP, I have included a JSON representation of the counters in the appendix, based on translations that are in the making. /js On Wed, Jul 04, 2012 at 08:01:46AM -0700, [email protected] wrote: > > A New Internet-Draft is available from the on-line Internet-Drafts > directories. > > > Title : Definition of Managed Objects for IPv6 over Low-Power > Wireless Personal Area Networks (6LoWPANs) > Author(s) : Juergen Schoenwaelder > Anuj Sehgal > Tina Tsou > Cathy Zhou > Filename : draft-schoenw-6lowpan-mib-00.txt > Pages : 14 > Date : 2012-07-04 > > Abstract: > This memo defines a portion of the Management Information Base (MIB) > for use with network management protocols in the Internet community. > In particular, it defines objects for managing IPv6 over Low-Power > Wireless Personal Area Networks (6LoWPANs). > > > The IETF datatracker status page for this draft is: > https://datatracker.ietf.org/doc/draft-schoenw-6lowpan-mib > > There's also a htmlized version available at: > http://tools.ietf.org/html/draft-schoenw-6lowpan-mib-00 > > > Internet-Drafts are also available by anonymous FTP at: > ftp://ftp.ietf.org/internet-drafts/ -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1, 28759 Bremen, Germany Fax: +49 421 200 3103 <http://www.jacobs-university.de/> _______________________________________________ 6lowpan mailing list [email protected] https://www.ietf.org/mailman/listinfo/6lowpan
