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Today's Topics:
1. Exporter/Nagios.pm doesn't export services attached to ip
addresses (Karl Putland)
2. [Netdot - Bug #1722] Illegal division by zero with /31 IPv4
subnets ([email protected])
----------------------------------------------------------------------
Message: 1
Date: Mon, 4 Feb 2013 10:46:01 -0700
From: Karl Putland <[email protected]>
Subject: [Netdot-devel] Exporter/Nagios.pm doesn't export services
attached to ip addresses
To: netdot-devel <[email protected]>
Message-ID:
<ca+exwswwicgq+3g2zl7x4wwzmr2hsf9nowuln_+qxiarn-o...@mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"
Scenario....
I want to monitor the far end of an interface with PING.
The interface will always be up/up so SNMP monitoring won't work
I created a fake device to house "psedo interfaces" that /32 ipblock
entries are attached to. This should group the checks under the placeholder
device.
Problem is that exporter only selects service where service is attached to
snmp_target ip address on the device.
What I would like to see is services selected by device -> interface -> ip
-> ipservice
Thanks,
--Karl
Karl Putland
Senior VoIP Engineer
*SimpleSignal*
3600 S Yosemite, Suite 150
Denver, CO 80237
One Number Rings All My Phones: 303-242-8608
SimpleSignal.com <http://www.simplesignal.com/> |
Blog<http://www.simplesignal.com/blog>
| Facebook <http://www.facebook.com/SimpleSignal?ref=ts> |
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Message: 2
Date: Mon, 4 Feb 2013 11:47:33 -0800
From: [email protected]
Subject: [Netdot-devel] [Netdot - Bug #1722] Illegal division by zero
with /31 IPv4 subnets
To: [email protected], [email protected]
Message-ID: <[email protected]>
Content-Type: text/plain; charset=utf-8
Issue #1722 has been updated by Anton Berezin.
The problem description hints to an outdated version of NetAddr::IP.
>From NetAddr::IP documentation:
<pre>
"->num()"
As of version 4.42 of NetAddr::IP and version 1.27 of
NetAddr::IP::Lite a /31 and /127 with return a net num value of 2
instead of 0 (zero) for point-to-point networks.
</pre>
So I think that the originator should upgrade NetAddr::IP on his system.
----------------------------------------
Bug #1722: Illegal division by zero with /31 IPv4 subnets
https://osl.uoregon.edu/redmine/issues/1722#change-3033
Author: Matej Vadnjal
Status: New
Priority: Normal
Assignee:
Category:
Target version:
Resolution:
If I try to define a /31 IPv4 prefix of type Subnet in Management -> Address
Space I get the following error:
@
error: Illegal division by zero at
/usr/local/netdot/htdocs/management/subnet.mhtml line 161.
context:
...
157: $cols = 16;
158: }
159:
160: my $num = ($mask == 31)? $net->num() : $net->num()+1;
161: for( my $i=0; $i<($num/$cols); $i++ ) {
162: my @row = ();
163:
164: for( my $j=0; $j<$cols; $j++ ) {
165: my $ip_addr = $net->addr;
...
code stack: /usr/local/netdot/htdocs/management/subnet.mhtml:161
/usr/local/netdot/htdocs/management/ip.html:1732
/usr/local/netdot/htdocs/management/autohandler:81
/usr/share/perl5/HTML/Mason/Request.pm:936
/usr/local/netdot/htdocs/masondata/obj/991023240/management/autohandler.obj:21
/usr/local/netdot/htdocs/autohandler:76
@
The subnet is created in the database, but cannot be displayed. The exact same
error appears if I select a /31 subnet already defined in netdot.
/31 Subnets discovered by SNMP on routers are added to netdot fine. But again
cannot be "clicked on".
/31 Containers and Reserved work fine.
This is in version 1.0.4. I have a feeling this problem was not present in
1.0.1, but I'm not a 100% sure.
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