Hey I was wondering about the check_ping from the newest stable plugins.

[Eliezer Croitoru]

On 08/09/2013 05:03 PM, Holger Weiß wrote:
> * Eliezer Croitoru <eliezer at ngtech.co.il> [2013-08-09 16:46]:
>> I have compiled all nagios plugins many times but on the last time this
>> what happens:
>> nagios-plugins-1.4.16.tar.gz
>> I compile with no errors and then when nagios do a check it states:
>> CRITICAL - Network Unreachable (repo.ngtech.co.il)
> 
> My guess would be that your IPv6 connectivity is broken.  In that case,
> using check_ping's "-4" flag should do the trick.  If that _doesn't_
> help, could you please paste the output of "check_ping -vvv [...]"?
> 
>> Can anyone test it please and make sure that my assumptions are right?
> 
> For me, both of the following commands return OK:
> 
> $ check_ping -4 -H repo.ngtech.co.il -w '500.0,10%' -c '1000.0,50%'
> $ check_ping -6 -H repo.ngtech.co.il -w '500.0,10%' -c '1000.0,50%'
> 
> Holger
Hey Holger,
this is what I do have:
# /usr/local/nagios/libexec/check_ping -4 -H repo.ngtech.co.il -w
'500.0,10%' -c '1000.0,50%'
PING OK - Packet loss = 0%, RTA = 339.04
ms|rta=339.035004ms;500.000000;1000.000000;0.000000 pl=0%;10;50;0
# /usr/local/nagios/libexec/check_ping -6 -H repo.ngtech.co.il -w
'500.0,10%' -c '1000.0,50%'
CRITICAL - Network Unreachable (repo.ngtech.co.il)

which seems like the settings for the RT of the packets seems to be the
main issue while parsing the ping command output.

/usr/local/nagios/libexec/check_ping -vvv -4 -H repo.ngtech.co.il -w
'500.0,10%' -c '1000.0,50%'
CMD: /bin/ping -n -U -w 10 -c 5 repo.ngtech.co.il
Output: PING cairo.treenetnz.com (58.28.153.233) 56(84) bytes of data.
Output: 64 bytes from 58.28.153.233: icmp_req=1 ttl=42 time=335 ms
Output: 64 bytes from 58.28.153.233: icmp_req=2 ttl=42 time=339 ms
Output: 64 bytes from 58.28.153.233: icmp_req=3 ttl=41 time=341 ms
Output: 64 bytes from 58.28.153.233: icmp_req=4 ttl=41 time=341 ms
Output: 64 bytes from 58.28.153.233: icmp_req=5 ttl=41 time=340 ms
Output:
Output: --- cairo.treenetnz.com ping statistics ---
Output: 5 packets transmitted, 5 received, 0% packet loss, time 4003ms
Output: rtt min/avg/max/mdev = 335.751/339.767/341.602/2.251 ms
PING OK - Packet loss = 0%, RTA = 339.77
ms|rta=339.766998ms;500.000000;1000.000000;0.000000 pl=0%;10;50;0
500.000000:10% 1000.000000:50%

so the RT is more then 100ms which considered to be C\W but my output is:
# /usr/local/nagios/libexec/check_ping -vvv -H repo.ngtech.co.il -w
100.0,20% -c 500.0,60%
CMD: /bin/ping6 -n -U -w 10 -c 5 repo.ngtech.co.il
Got stderr: connect: Network is unreachable
CRITICAL - Network Unreachable (repo.ngtech.co.il)
and:
# /usr/local/nagios/libexec/check_ping -vvvv -H repo.ngtech.co.il -w
500.0,20% -c 1000.0,60%
CMD: /bin/ping6 -n -U -w 10 -c 5 repo.ngtech.co.il
Got stderr: connect: Network is unreachable
CRITICAL - Network Unreachable (repo.ngtech.co.il)

which is a bit weird why is it using ping6 for a simple ping by default?
Hos is the check_ping recognises that there is a need for ping6 ??
the host dosn't even has ipv6 connectivity..

Eliezer
> 
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