Hi folks, Tuesday (10 August 1999)
[For consideration next week at the PWG meeting in Alaska]
For IPP Notifications over UDP (via SNMPv1, SNMPv2, or SNMPv3), I've
written a *very* small IPP MIB and posted it on the PWG server at:
ftp://ftp.pwg.org/pub/pwg/ipp/new_MIB/ipp_mb00.mib
This MIB contains the following SNMP object groups:
Printer - 11 columnar objects (including 5 counters)
(Mandatory) (language, name, previous state, state, state reasons)
Printer URI - 3 columnar objects (URI, authentication, security)
(Mandatory) (models 'printer-uri-supported', etc.)
Event - 13 leaf objects
(Conditionally (printer index, trigger attributes, job bindings)
Mandatory) - 2 SNMP traps w/ a few optional bindings
(basic-printer, basic-job)
This MIB compiles without errors or warnings with Epilogue Emissary 7.0
and includes MODULE-COMPLIANCE and OBJECT-GROUP macros (conformance).
This MIB follows the 'Draft Standard' SNMPv3 MIBs (RFC 2571-2575) and
conveys all text in the 'UTF-8' charset (ISO 10646 / Unicode in a stream
encoding that is file-system and legacy programming language safe) via
the textual convention 'SnmpAdminString' (imported from RFC 2571, the
SNMP Framework MIB), since all IPP clients and printers MUST support
'UTF-8' anyway.
This MIB supports fast IPP Printer discovery via SNMP (simply broadcast
an SNMP GetNext for 'ippPrinterName' to find all supporting systems).
Because the (mandatory) Printer group contains five basic counters
(connections, requests, errors, warnings, notifications) as well as the
printer name, state, and state reasons, this MIB arguably satisfies the
'appropriate technology' criteria for IPP Printer network management
(w/out introducing the WWW Services MIB, RFC 2594, or other overkill).
Cheers,
- Ira McDonald
High North Inc
906-494-2697/2434
PS - [switch on PWG parochial mindset]
Also note, since IETF IPP and PWG Job Monitoring MIB are fully aligned,
the job-level trap in this small IPP MIB constitutes a clean job-level
trap augmentation for the PWG Job Monitoring MIB.