Thanks for the info: because no Gauge64 nor Unsigned64 base types are defined, so CounterBasedGauge64 and ZeroBasedCounter64 textual conventions are defined in RFC 2856.
--- On Thu, 5/28/09, Mike Ayers <mike_ay...@tvworks.com> wrote: > From: Mike Ayers <mike_ay...@tvworks.com> > Subject: RE: Is Gauge64 defined in the snmp standard? > To: "Vincent Bernat" <ber...@luffy.cx>, "PoWah Wong" <wong_po...@yahoo.ca> > Cc: net-snmp-users@lists.sourceforge.net > Received: Thursday, May 28, 2009, 7:44 PM > > From: Vincent Bernat [mailto:ber...@luffy.cx] > > Sent: Thursday, May 28, 2009 2:51 PM > > > OoO En ce début de soirée du jeudi 28 mai > 2009, vers 21:23, > > PoWah Wong > > <wong_po...@yahoo.ca> > disait : > > > > > Is Gauge64 defined in the snmp standard? > > > > It is not part of SMIv2. You can use > CounterBasedGauge64 > > instead which > > is a textual convention over Counter64. It is defined > in > > HCNUM-TC and in > > RFC 2856. > > [SNIP] > CounterBasedGauge64 ::= > TEXTUAL-CONVENTION > STATUS > current > DESCRIPTION > "The > CounterBasedGauge64 type represents a non-negative > integer, > which may increase or decrease, but shall never > exceed a > maximum value, nor fall below a minimum value. The > maximum value > can not be greater than 2^64-1 > > (18446744073709551615 decimal), and the > minimum value can > not be > smaller than 0. The value of a CounterBasedGauge64 > has its > maximum value whenever the information being modeled > is greater > than or equal to its maximum value, and has its > minimum value > whenever the information being modeled is > smaller than > or equal to its minimum value. If the > information > being modeled subsequently decreases below > (increases > above) the maximum (minimum) value, the > > CounterBasedGauge64 also decreases > (increases). > > Note that > this TC is not strictly supported in SMIv2, > because the > 'always increasing' and 'counter wrap' semantics > associated > with the Counter64 base type are not preserved. > It is > possible that management applications which rely > solely upon > the (Counter64) ASN.1 tag to determine object > semantics > will mistakenly operate upon objects of this type > as they would > for Counter64 objects. > > This textual > convention represents a limited and short-term > solution, and > may be deprecated as a long term solution is > defined and > deployed to replace it." > SYNTAX Counter64 > [/SNIP] > > Translation: Danger, Will > Robinson, danger! > > > HTH, > > Mike > __________________________________________________________________ Yahoo! Canada Toolbar: Search from anywhere on the web, and bookmark your favourite sites. Download it now http://ca.toolbar.yahoo.com. ------------------------------------------------------------------------------ Register Now for Creativity and Technology (CaT), June 3rd, NYC. CaT is a gathering of tech-side developers & brand creativity professionals. Meet the minds behind Google Creative Lab, Visual Complexity, Processing, & iPhoneDevCamp as they present alongside digital heavyweights like Barbarian Group, R/GA, & Big Spaceship. http://p.sf.net/sfu/creativitycat-com _______________________________________________ Net-snmp-users mailing list Net-snmp-users@lists.sourceforge.net Please see the following page to unsubscribe or change other options: https://lists.sourceforge.net/lists/listinfo/net-snmp-users
