Bug with check_ping v1810 (nagios-plugins 1.4.11)

Hugo van der Kooij hvdkooij at vanderkooij.org
Mon Mar 10 00:37:28 CET 2008


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Hi,

I just updated a server today and a bit later it seems a significant
part of the network was down right after the update.

It was working great untill then and at first I was suspecting an issue
with the POP of SIXXS as my IPv6 connectivity seemed to be down.

But with further troubleshooting I noticed that check_ping is all of a
sudden barfing over IPv6 addresses.

Like:
# /usr/lib/nagios/plugins/check_ping -6 -H 2001:610:600:2cf::1 -w
1000,50% -c 5000,100%
CRITICAL - Host not found (2001:610:600:2cf::1)

This was never an issue with any plugin untill I did an update this
morning on my Centos 4 machine. The package nagios-plugins 1.4.9 was
fine but 1.4.11 is broken in this particular manner.

So check_ping v1.81 (aka: 1810) (part of the 1.4.11 plugins) is broken.
And check_ping v1.61 (part of the 1.4.9 plugins) is not broken.

While there could always be a particular packager issue at hand I have
no reason to suspect that this is a problem created by Dag.

And check_ping is the only package that seems to suffer from this issue.
I can do HTTP, SMTP, IMAP, .... connections to the IPv6 host without a
problem and those Nagios plugins report no problem.

For the moment I have reverted check_ping back to the older one to make
things work again.

Hugo.

- --
hvdkooij at vanderkooij.org               http://hugo.vanderkooij.org/
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