On Tue, Oct 29, 2019 at 10:53:49AM +0100, Martin Bjorklund wrote: > Randy Presuhn <[email protected]> wrote: > > Hi - > > > > On 10/28/2019 2:22 AM, Martin Bjorklund wrote: > > .... > > > No, in many SMIv2 objects, a zero-length value is used for optional > > > nodes (due to the way the protocol (SNMP) works). > > > > This comes as a complete surprise to me. References? > > I don't have any references at hand, so let me re-phrase: > > No, in many SMIv2 objects, a zero-length value is used for optional > nodes. > > (where "optional" means optional to set, not optional to implement)
The protocol handles non-existing values just fine. However, some implementations did not handle non-existing values in the protocol properly. MIB module authors sometimes use special values to indicate the absence of a value in order to please those implementations. /js -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> _______________________________________________ netmod mailing list [email protected] https://www.ietf.org/mailman/listinfo/netmod
