RE: When there is "no instance" object in a table,

Dave,

I am using 5.3.1, 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. This is the problem I am
reporting.

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

Thanks
Emi

-----Original Message-----
From: dave.shield@googlemail.com [mailto:dave.shield@googlemail.com] On
Behalf Of Dave Shield
Sent: Thursday, September 06, 2007 4:01 AM
To: Emi Yanagi
Cc: net-snmp-coders@lists.sourceforge.net
Subject: Re: 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

On 05/09/07, Emi Yanagi <Emi.Yanagi@radisys.com> wrote:
> I am reporting a bug in snmpgetnext.
[snip]
> Any idea how to improve snmpgetnext in this case?

It's not a bug in snmpgetnext. It's an error in snmpd agent.

How have you implemented this particular table?
What version of the agent are you using?

Dave

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