Hi Jerry,
The IETF SMIv2 and the IETF's best practices recommend that MIB string
objects longer
than 255 octets be avoided for interoperability reasons. There are some
instances in
some modern IETF MIBs of strings with max lengths of 1023 octets (and
conformance
statements allowing a short length such as 255 octets).
We could certainly make the IEEE Device ID string longer. Should we do so?
Cheers,
- Ira
Ira McDonald (Musician / Software Architect)
Blue Roof Music / High North Inc
PO Box 221 Grand Marais, MI 49839
phone: +1-906-494-2434
email: imcdonald at sharplabs.com
-----Original Message-----
From: pmp-owner at pwg.org [mailto:pmp-owner at pwg.org]On Behalf Of
thrasher at lexmark.com
Sent: Monday, June 27, 2005 9:05 PM
To: pmp at pwg.org
Subject: PMP> PortMon Mib question
Question/Issue from one of our dev's
For the variable ppmPortIEEE1284DeviceID, the MIB states:
The value of this object MUST exactly match the IEEE 1284-2000
Device ID string, except that the length field MUST NOT be
specified. The value MUST be assigned by the Printer vendor
and MUST NOT be localized by the Print Service.
The definitition indicates that the size is 0-255. However, the actual 1284
device ID can be much longer.
I think the length field of the 1284 string is two bytes (and the length
includes the two bytes of length field).???
Jerry Thrasher
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