another configuration file "snmptrapd.conf" for traps . You can checkout
for the traps.
Pranesh
On Wed, Sep 10, 2008 at 4:19 PM, Mohan M <[EMAIL PROTECTED]> wrote:
> Hi Mike,
>
> Thanks for quick feedback. Yes I was doing some configuration mistake and
> would like to share with you.
>
> Net-SNMP has two types of configuration files which are snmp.conf and
> snmpd.conf. The mistake with my configuration was I had put everything
> everywhere (to avoid any problem).
> So I had both snmp.conf and snmpd.conf having same content. With this when
> the snmpd daemon is started it was throwing "unknown tokens" for all which
> were present in snmp.conf.
>
> After removing the unwanted lines from snmp.conf, I did not get any such
> unknown token warnings.
>
> Regards,
> Mohan
>
> --- On *Mon, 9/8/08, Mike Ayers <[EMAIL PROTECTED]>* wrote:
>
> From: Mike Ayers <[EMAIL PROTECTED]>
> Subject: RE: Net SNMP usage problem with prior installation
> To: [EMAIL PROTECTED], [EMAIL PROTECTED]
> Cc: [email protected]
> Date: Monday, September 8, 2008, 6:17 PM
>
>
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED] On
> > Behalf Of Mohan M
> > Sent: Friday, September 05, 2008 4:52 PM
>
> > I am sorry if I am writing such a lengthy mail,
>
> ...and repeating it. Weekend ain't the busy time on a technical mailing
> list, y'know...
>
> > but thought
> > it would be helpful for others who might be facing similar problems.
>
> Could be. You certainly won't hear me complain about detailed
> explanations and supporting evidence.
>
> > I observed some problem while installing NET-SNMP on Linux
> > system. I could find solution to some of my problems by
> > searching the mail archives. But I am not sure of whether I
> > have done it properly or not
>
> Good start.
>
> > Problem1: NET-SNMP always started with older version
> > When I run /etc/init.d/snmpd start, in the /var/log/messages
> > it always used to say NET SNMP started 5.1...
> > But I did the complete installation for 5.4.2 (No problem
> > with ./configure + make + make install)
>
> This means that you already had a net-snmp installation before you
> installed
> the new one. It appears that installation was installed as part of the OS,
> which means that components were not installed in the same place as the
> default
> install, and therefore are not overwritten by the new install. You must
> remove
> the OS installed snmp, preferrably before installing the new version.
>
> > To overcome this problem, I tried to put this path in snmpd
> > (/etc/init.d/snmpd) /usr/local/bin path instead of /usr/sbin
> > which had my old snmpd binary.
>
> That might work for some things, but it is unlikely that all processes
> will
> pick up a pathing that puts /usr/local/bin ahead of /usr/sbin.
>
> > After this when i start snmpd, I see in the /var/log/messages
> > the daemon started in version 5.4.2
> >
> > My question are?
> >
> > a) will this approach cause any problem?
>
> Yep.
>
> > b) How can I completely remove my old NET-SNMP installation
> > which is somewhere 5.1..
>
> That's OS dependent, but look for your system package manager (yum, pkg,
> ports, etc.). The entry is typically titlewd "snmp",
> "net-snmp", or "snmpd".
>
> > c) Why doesn't NET-SNMP installation remove or rewrite old
> > snmpd/snmptrapd binaries which are pre-existing in the
> > system? Or copy these binaries /usr/sbin in addition to other
> > destination.
>
> Early experiments in package auto-removal in unix style systems were
> disastrous. It was realized that only the system operator (that's you)
> knows whether or not the package should be removed.
>
> > (Anyway two instances of net-snmp can not exist)
>
> Yes they can, if you know what you're doing.
>
> > Problem 2: All tokens are displayed as unknown
> >
> > After doing this if I invoke snmpd I get warning for all
> > tokens as unknown (like rocommunity, rwcommunity,
> > defalutmonitor, linkupdownnotofication, proc... and the list
> > continues)
> > Why I am gettting this? If I list the list of installed
> > modules, I get a huge list. I think there is basic module
> > which is missing? But could not figure which module is that.
>
> My guess is that /usr/local/bin/snmpd (isn't it /usr/local/sbin/snmpd?)
> is
> linking to the libraries in /usr/lib instead of /usr/local/lib. Did you even
> add /usr/local/lib to your dynamic library path environment variable?
>
> Get rid of that old install and try again.
>
> > Problem 3: Understanding the complex world of SNMP configuration
>
> Everyone has this problem...
>
> > First of all I did not understand the difference b/w
> > snmp.conf and snmpd.conf? Can someone tell whats the
> > significance of these two files.
>
> The snmp.conf file applies to command line tools only, i.e. snmp
> commands and
> applications, not agents. The snmpd.conf files (there are two) apply to snmpd
> only. The snmptrapd.conf file applies to snmptrapd only.
>
> > Why do we need two seperate files.
>
> Simple - different apps have different purposes. It is the two
> snmpd.conf
> files that will really drive you nuts.
>
> > Whats the difference b/w SNMP daemon and SNMP agent running
> > on the system.
>
> They are the same thing - "daemon" is the unix term and
> "agent" is the SNMP term.
>
> > One more strange observation is that net snmp requires the
> > above configuration files in many locations as told in FAQ.
> > Sometimes these files are overwritten by daemon/agent (I
> > really dont know) and the files become "socket files" with
> > the following content
> > There is no such file or device.
>
> Sounds like misconfiguration or bad linkage.
>
>
> HTH,
>
> Mike
>
>
>
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