[erlang-patches] SNMP: fix wrong error code for invalid get requests

Stefan Zegenhagen <>
Mon Sep 3 16:29:41 CEST 2012

Dear all,

when an SNMP get request references an existing scalar variable without
instance OID (e.g. sysName instead of sysName.0), the erlang SNMP agent
returns a noSuchObject error instead of the correct noSuchInstance
error. Some SNMP test suites flag this as error.

The patch attached to this e-mail solves the problem by letting the OID
lookup routine return the correct noSuchInstance error.

Kind regards,

Dr. Stefan Zegenhagen

arcutronix GmbH
Garbsener Landstr. 10
30419 Hannover

Tel:   +49 511 277-2734
Fax:   +49 511 277-2709
Web:   www.arcutronix.com

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