Re: Not all mib files of a dir get parsed by snmptranslate

>From: "Dave Shield" <[email protected]>
>To: "Hans Dampf" <[email protected]>
>CC: [email protected]
>Subject: Re: Not all mib files of a dir get parsed by snmptranslate
>Date: Wed, 6 Jun 2007 10:10:30 +0100
>
>On 06/06/07, Hans Dampf <[email protected]> wrote:
> > Not all of the mibs in /usr/share/snmp/mibs get parsed when execute:
> >
> > snmptranslate -Dparse
>
>That's correct.
>The library has a list of MIB files to load by default.
>
>If you have a MIB that isn't on this list, you must explicitly request
>that it be added - either as a one-off for a particular command:
>
>     snmptranslate -m +GWMTA-MIB
>
>or add it to the default list
>
>     echo  mibs +GWMTA-MIB >> $HOME/.snmp/snmp.conf
>
>See the FAQ entry
>      How do I add a MIB to the tools?
>           (http://www.net-snmp.org/wiki/index.php/FAQ:Applications_02)
>for details.
>
>
> > and GWMTA-MIB is found and called Module 21
> > parse-mibs: Checking file: /usr/share/snmp/mibs/GWMTA-MIB.txt...
> > parse-mibs:   Module 21 GWMTA-MIB is in 
>/usr/share/snmp/mibs/GWMTA-MIB.txt
>
> > for module 21 there is no further entry - why gets this mib not
> > parsed/imported?
>
>Because it's not on the default list.
>The library opens the file, and notes which MIB it contains, so that it
>can be loaded if required.   But it doesn't parse the MIB file 
>automatically.
>
>
>
> > I expect the code the parser needs is in
> > /opt/novell/groupwise/agents/lib/libgwsnmp.so
>
> > therefore I've added in snmpd.conf
> > dlmod Gwsnmp /opt/novell/groupwise/agents/lib/libgwsnmp.so
>
>No - that'll be the code to *implement* these objects, and is only
>relevant to the agent.   Client-side tools (such as snmptranslate)
>only work with the MIB file.
>    If you don't load the MIB file, then the client-side tools won't
>recognise the names of MIB objects defined within it.  This is
>completely separate from whether the agent implements these
>objects or not.
>    The agent can implement objects that the tools don't know about
>(in which case, the results will be displayed using numeric OIDs).
>And the tools can load MIBs that the agent doesn't implement
>(in which case, these values won't appear in the tool output at all)
>
>
>The client and server side processing are two completely different
>things.
>
>Dave
>

Dave, thank you very much for answer - it helped!

so we can forget the hole tools part and focus only to the agent, since I am 
still not able to get my response.

The file I've added to the agent, belongs to the MTA, so I pick an OID from 
the GWMTA-MIB
monitoring-server:/usr/share/snmp # snmptranslate -m GWMTA-MIB -On 
GWMTA-MIB::mtaClosedDomains
No log handling enabled - turning on stderr logging
OBJECT-TYPE MACRO (lines 25..39 parsed and ignored).
..1.3.6.1.4.1.23.2.37.1.1.1.4
monitoring-server:/usr/share/snmp #

with adding a .1 at the end, a 'old' netware sever gives me a response:

monitoring-server:/usr/share/snmp # snmpget -m GWMTA-MIB -c public -v 1 
<old-netware-box> .1.3.6.1.4.1.23.2.37.1.1.1.4.1
OBJECT-TYPE MACRO (lines 25..39 parsed and ignored).
GWMTA-MIB::mtaClosedDomains.1 = Gauge32: 0
monitoring-server:/usr/share/snmp #

but my server with the extended agent:
monitoring-server:/usr/share/snmp # snmpget -m GWMTA-MIB -c public -v 1 
<host-with-extended-agent> .1.3.6.1.4.1.23.2.37.1.1.1.4.1
OBJECT-TYPE MACRO (lines 25..39 parsed and ignored).
Error in packet
Reason: (noSuchName) There is no such variable name in this MIB.
monitoring-server:/usr/share/snmp #

net-snmpd.log shows:
server:/var/log # more net-snmpd.log
MODULE-IDENTITY MACRO (lines 55..79 parsed and ignored).
OBJECT-IDENTITY MACRO (lines 81..103 parsed and ignored).
OBJECT-TYPE MACRO (lines 212..298 parsed and ignored).
NOTIFICATION-TYPE MACRO (lines 302..334 parsed and ignored).
TEXTUAL-CONVENTION MACRO (lines 8..48 parsed and ignored).
OBJECT-TYPE MACRO (lines 25..39 parsed and ignored).
GWSNMP: Entered the Gwsnmp module...
Warning: novell.2 is both gateways and mibDoc 
(/usr/share/snmp/mibs/GWMTA-MIB.txt)
GWSNMP: Entered the registerMIBS function
Entered the Polling-end of the GWSNMP support
GWSNMP/XPLAT: Entered the initPolling
GWSNMP/XPLAT: Entered the PollingCallback function
GWSNMP/XPLAT: Trap server is listening on 8052
NET-SNMP version 5.1.3.1
Connection from 172.18.100.XX
GWSNMP: UnixSNMPCallBack (for 160 type request) mta
GWSNMP: OID (length: 14) for mta: .1.3.6.1.4.1.23.2.37.1.1.1.4.1
GWSNMP: GetMibValue retured error  1
GWSNMP: ProcessSnmpRequests failed for MODE_GET request
server:/var/log #

I don't know what I can check else - do you have another idea?

Iareber

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