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List:       net-snmp-patches
Subject:    [ net-snmp-Patches-1814048 ] snmpgetnext bug on âno instanceâ object
From:       "SourceForge.net" <noreply () sourceforge ! net>
Date:       2007-10-15 18:01:29
Message-ID: E1IhUFt-0006g0-4o () sc8-sf-web24 ! sourceforge ! net
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Patches item #1814048, was opened at 2007-10-15 13:01
Message generated for change (Tracker Item Submitted) made by Item Submitter
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=312694&aid=1814048&group_id=12694

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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: emiy (emiy)
Assigned to: Nobody/Anonymous (nobody)
Summary: snmpgetnext bug on "no instance" object

Initial Comment:
Summary:
When there is "no instance" object in a table, snmpgetnext skip the rest of the \
objects in the table and search for the next table. This is a problem in 5.3.1.

Detail:
The implementation agent/mibgroup/notification-log-mib is provided in 5.3.1. Since \
transport is NULL, COLUMN_NLMLOGENGINETADDRESS and COLUMN_NLMLOGENGINETDOMAIN are \
NULL. However, COLUMN_NLMLOGNOTIFICATIONID is not NULL, but getnext would skip it \
because of the two NULL objects before it. 

The following is the "snmpgetnext 10.1 nlmLogEngineID.0.1" debug message, notice it \
jumped from base oid:NOTIFICATION-LOG-MIB::nlmLogTable to base \
oid:NOTIFICATION-LOG-MIB::nlmLogVariableTable

helper:table:req: Got request for handler table: base \
oid:NOTIFICATION-LOG-MIB::nlmLogTable helper:table:col:   have at least a column (4)
helper:table:     have 2 bytes of index
helper:table:   looking for 2 indexes
helper:table:   got 1 (incomplete=0)
helper:table:   got 1 (incomplete=0)
helper:table:results:   found 2 indexes
helper:table:results:   column: 4, indexes: 2   index: type=4(04), value=""   index: \
type= 66(42), value=Gauge32: 1
helper:table:req: Got request for handler table: base \
oid:NOTIFICATION-LOG-MIB::nlmLogVariableTable helper:table:   no column/index in \
request helper:table:   looking for 3 indexes
helper:table:   oid indexes not complete: NOTIFICATION-LOG-MIB::nlmLogVariableTable
helper:table:results:   found 0 indexes
helper:table:results:   column: 2, indexes: 0   index: type=4(04), value=""   index: \
type= 66(42), value=Gauge32: 0   index: type=66(42), value=Gauge32: 0
helper:table:req: Got request for handler table: base \
oid:NOTIFICATION-LOG-MIB::nlmLogTabl e
helper:table:col:   have at least a column (4)
helper:table:     have 2 bytes of index
helper:table:   looking for 2 indexes
helper:table:   got 1 (incomplete=0)
helper:table:   got 1 (incomplete=0)
helper:table:results:   found 2 indexes
helper:table:results:   column: 4, indexes: 2   index: type=4(04), value=""   index: \
type= 66(42), value=Gauge32: 1

Best Regards,
Emi Yanagi

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