Graphing DHCP pools

[project722]

I see this in syslog and when running snmpd in the foreground.

Dec 22 09:19:02 <host> snmpd[6816]: Duplicate IPv4 address detected, some
interfaces may not be visible in IP-MIB

[root~]# /usr/sbin/snmpd -Lo -p /var/run/snmpd.pid -a
Duplicate IPv4 address detected, some interfaces may not be visible in
IP-MIB

Now, while this may appear to be a problem, keep in mind that I can
remotely do an snmpget to other OID's. The breakdown seems to be limited to
the OID for dhcpd-snmp.

And, just to provide a background on the duplicate IP address message, the
server does not have duplicate IP's but rather 2 different IPv4 addresses
assigned to a single interface. So, my guess is this is what's being
detected by snmpd.



On Thu, Dec 21, 2017 at 3:36 PM, David Ramage <dramage at lsnetworks.net>
wrote:

> I do not see anything in your config that looks out of the ordinary.
>
>
>
> The first thing I’d try is restarting snmpd while watching your syslog.
> There may be some useful stuff written to syslog when the daemon is
> restarted that can get you on the right path.
>
>
>
> Failing that, I’d stop the snmp daemon and run it in the foreground (as
> root) to see if it spits out anything insightful.  IIRC the syntax is snmpd
> –f –c [path/to/snmpd.conf]
>
> *From:* dhcp-users [mailto:dhcp-users-bounces at lists.isc.org] *On Behalf
> Of *project722
> *Sent:* Thursday, December 21, 2017 1:05 PM
> *To:* Users of ISC DHCP <dhcp-users at lists.isc.org>
> *Subject:* Re: Graphing DHCP pools
>
>
>
> Yes, the script runs locally without issue. SELinix is set to permissive.
>
>
>
> On Thu, Dec 21, 2017 at 2:50 PM, Chuck Anderson <cra at wpi.edu> wrote:
>
> Are you able to run /home/nagios/dhcpd-snmp manually?  Maybe you are
> missing a module, maybe you need to fix SELinux attributes, ...
>
> On Thu, Dec 21, 2017 at 02:36:57PM -0600, project722 wrote:
> > Yes x2. I have the appropriate line in /etc/snmp/snmpd.conf:
> >
> > pass_persist .1.3.6.1.4.1.21695.1.2 /home/nagios/dhcpd-snmp
> > /home/nagios/dhcpd-snmp.conf
> >
> > And I am able to poll other OID's remotely.
>
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