snmp ipaddrtable buggy packets

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Cannot adopt OID in INTEL-SERVER-BASEBOARD5

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Re: problem getting agent to call mib init code

2009/4/30 Kuczynski, Edward <edk <at> ll.mit.edu>:
> Then ran daemon, snmpd with debug and I see NO debug output from the
> init_XXXXobject like I do in fedora. Tailing /var/log/snmpd.log
>
> So please tell me what did I miss??

One possibility is that you have two agents installed on the system,
and the running agent is the "other one" (without your new module).
   Try retrieving the value of   UCD-SNMP-MIB::versionConfigurationOptions.0
This should give you the same results as net-snmp-config

Also, if you walk the NET-SNMP-AGENT-MIB::nsModuleName object,
you ought to see mention of your new module - assuming that it's
being registered correctly.  Though given your report, I strongly suspect
that it won't be there.

> I do see the request go to the agent,
> and it knows the alpha name of the object.

What do you mean by "know[ing] the alpha name of the object"?

> Snmptranslate will work.

That simply means that the MIB file is in place, and is being read
in by the library MIB parser.   In the same way, the command line
tools (snmpget, snmpwalk, etc) will be reading in the MIB file, and
hence able to ask for your new MIB objects.
   But that's completely separate from whether the agent actually
*implements* these objects,

> I doubt it’s a permission issue, its all read only, and I config’d for v2c
> read only with public. But that shouldn’t stop it from calling init should it?

No.
That should be invoked when the agent first starts up.

It's probably worth checking that the file
      agent/mibgroup/mib_modules_inits.h
does make mention of  init_XXXobject.

Just to check - what is the filename of the code file that contains
this initialisation routine?

Dave

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RE: Issues with agent running on AIX.

Sorry, was side tracked on other projects for a couple of days.  I will try the debugging recommended to make
sure I am getting the same error stated in the email from Tod.  Tod, did the debugging options give you the
answer to this issue?  Do you know if any previous releases had this issue?  Just curious if an older version
works with AIX better.

Paul R. Hogan
Computer System Engineer
Enterprise Information Technology
HAWORTH, INC.

One Haworth Center
Holland, MI 49423

direct	616.393.3756
fax	616.396.9389

paul.hogan <at> haworth.com
www.haworth.com

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-----Original Message-----
From: McKie, Tod [mailto:TMcKie <at> LMUS.LeggMason.com] 
Sent: Tuesday, April 28, 2009 10:22 AM
To: Dave Shield; Paul Hogan
Cc: net-snmp-users <at> lists.sourceforge.net
Subject: RE: Issues with agent running on AIX.

I have the same issue.  The problem is in the hrStorage module.  If you disable that module you can run just
fine, but will not be able to track filesystem data.

I created bug #2712670 on sourceforge.net, and according to responses future releases should not have
this problem. 

-----Original Message-----
From: Dave Shield [mailto:D.T.Shield <at> liverpool.ac.uk] 
Sent: Tuesday, April 28, 2009 9:33 AM
To: Paul Hogan
Cc: net-snmp-users <at> lists.sourceforge.net
Subject: Re: Issues with agent running on AIX.

2009/4/28 Paul Hogan <Paul.Hogan <at> haworth.com>:
> I have multiple AIX 5.3.6 boxes running the 5.4.2.1 version of 
> net-snmp.  On a majority of them I am seeing the daemon die after 
> running for a short amount of time.  I look in the /var/log/snmpd.log 
> file and it just displays the version line and that is it.  I then 
> look in the syslog and it gives no indication why the daemon is dying.  
> Any thoughts on how to troubleshoot why this is happening?  Compile and make went through with no issues.

Are the agents being queried at the time that they fall over?

Try running an agent manually, using something like

    snmpd -f -Le -d

which will print out a dump of all SNMP traffic to standard output.
What happens immediately before the agent falls over?

If you can work out how to trigger the crash, it might be worth experimenting
with various -Dtoken debugging statements as well.     But I'd suggest you
find out exactly what triggers the problem first.  (Particularly if you're going to try with -Dall!)

Dave

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standalone perl agent

Hi

I wanted to write an agent in perl. Cpan search directed me to net-snmp.
I have been looking at net-snmp for a week or so.

Reading the docs it looked that it should be possible to write snmp agen in 
perl.

But as I installed net-snmp and tried to create the perl agent it turned 
out that the only perl agent I can write is one running imbedded in the 
snmpd process.

Is it possible to write a perl agent - a standalone perl agent - not 
started by snmp* daemon ?
By standalone I mean the agent can be started from shell prompt  with 
"/opt/acme/bin/perl /opt/acme/bin/my-snmp-agent"

if not, may be it is possible to tell snmpd daemon to use 
/opt/acme/bin/perl interpreter when it sees the 
"perl do  /opt/acme/bin/my-agent.pl" 
in the snmpd.conf ?

I have been banging my head with this for last 3 days, reinstalling perl 
and net-snmp packs.
I do appreciate any hints/help

thanks
Bog

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RE: standalone perl agent

> From: bogiebog <at> gmail.com [mailto:bogiebog <at> gmail.com] 
> Sent: Friday, May 01, 2009 9:54 AM

> But as I installed net-snmp and tried to create the perl 
> agent it turned 
> out that the only perl agent I can write is one running 
> imbedded in the 
> snmpd process.

	Do you mean a subagent?  Generally, an "agent" handles SNMP requests from outside entities and determines
the answer, either from its own logic or by querying attached "subagents", which each handle typically
only a specific MIB or two.

> Is it possible to write a perl agent - a standalone perl agent - not 
> started by snmp* daemon ?
> By standalone I mean the agent can be started from shell prompt  with 
> "/opt/acme/bin/perl /opt/acme/bin/my-snmp-agent"

	For a subagent - yes, in principle, but there's no support for such in net-snmp.

> if not, may be it is possible to tell snmpd daemon to use 
> /opt/acme/bin/perl interpreter when it sees the 
> "perl do  /opt/acme/bin/my-agent.pl" 
> in the snmpd.conf ?

	What?!

> I have been banging my head with this for last 3 days, 
> reinstalling perl 
> and net-snmp packs.
> I do appreciate any hints/help

	You can implement a virtual subagent with the "extend" directive of snmpd.conf like so:

extend .1.3.6.1.4.1.8072.9999.99 agent-99 /opt/acme/bin/perl /opt/acme/bin/my-agent.pl

	Perhaps this is what you are trying to do?

	HTH,

Mike

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SNMPSET MAC Address

I know this must be a stupid question becuase I have not actually found 
anyone saying "no you cant" nor "yes you can" while diggin all half the day 
through the archives and google. I just really need to know to put my idea 
to bed.

Can you use any SNMPSet/Get/Walk commands to connect to a MAC Address 
instead of an IP Address. I have MAC addresses to a variety of devices on my 
network and need to implement a provisioning system to program a specific 
IP4 IP to each device depending on what its mac address is. The system I am 
using to connect to these devices by MAC are on one flat wireless network 
connected by bridges.

I am successfuly using Net-SNMP tools to provision these devices by 
connecting to an IPV4 Address now. We have an adminsitrative issue where 
tech's keep making mistakes changing/entering the IP4 address on the 
devices. The MAC address for these devices are all known upfront at 
procurement time and cannot be changed so I was hoping to change my 
provision scripts to somehow connect to the device MAC address and set its 
IP and other details. Or shoot each tech after the third mistake. In the MAN 
pages it suggests using IPX::What:Appears:To:Be:A:MAC:Address  but 
evidentially Im too novice to understand IPX.

Thanks in advance,
Tim 

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Re: SNMPSET MAC Address

2009/5/1 Tim Roberts <pfsense <at> dsslink.net>:
> Can you use any SNMPSet/Get/Walk commands to connect to a MAC Address
> instead of an IP Address.

In principle, yes - RFC 1089 defines an experimental transport mapping
for SNMP over Ethernet.

In practice, no.   The Net-SNMP suite does not support this mapping,
and I've never come across another SNMP package that does either.

If you want to try implementing this, we would be very interested
in hearing how you get on.

Dave

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RE: initiate a coldStart / warmStart trap

Thanks, Wes, for making it clearer!

-----Original Message-----
From: Wes Hardaker [mailto:hardaker <at> users.sourceforge.net] 
Sent: Wednesday, April 29, 2009 17:01
To: Tanya Brudner
Cc: net-snmp-users <at> lists.sourceforge.net
Subject: Re: initiate a coldStart / warmStart trap

>>>>> On Mon, 27 Apr 2009 14:02:17 +0300, Tanya Brudner <tanyab <at> ceragon.com> said:

TB> I am attempting to write a subagent, and at the moment I'm a little
TB> confused about how to initiate my own coldStart/WarmStart traps.

You generally shouldn't do this.  If you need to send a trap from your
subagent to indicate *it* has started then you should define your own
trap far indicating that.  The other traps are supposed to indicate that
the master agent has started, no your subagent.

TB> if I use send_v2trap as above, how and why is the snmpTrapEnterprise
TB> added?

snmp_v2trap tries to add all the important parts of a message that are
required before it goes out, hence the reason it needs to add the
enterprise.  It's required by the SNMPv2c protocol!

You might want to check out the --with-enterprise-* options to configure
if you want to change the enterprise id.  It'll change them for all the
outgoing traps, not just your special ones from your subagent.  That's
really the easiest way to change the enterprise of your agent.
--

-- 
Wes Hardaker
Cobham Analytic Solutions

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HP Insight manager not receiving traps

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