ping/failed to install socket filter

[Marc Powell]

This would indicate some problem with your OS installation and not
nagios. Your machine should be able to have multiple concurrent pings
outgoing with no problems. Googleing, I see that there are several
possible reasons why this might be happening ranging from
iptables/ipfilter rules to multiple default routes to some other program
trying to listen on the raw ICMP socket.

It is not possible within nagios to limit specific service checks to one
at a time. You either have parallelization for all service checks or for
no service checks. I would encourage you to determine the root cause of
the issue instead of trying to modify nagios to work around it.

--
Marc


> -----Original Message-----
> From: Florian Streibelt [mailto:nagios-user at F-Streibelt.de]
> Sent: Thursday, November 06, 2003 10:56 AM
> To: nagios-users at lists.sourceforge.net
> 
> 
> Hi,
> 
> I was not able to find mutch information on this topic...
> 
> I am checking several hosts via ping over the internet.
> When there are more than one hosts beeing checked at the same time I
get
> an 'WARNING: failed to install socket filter' and the check is going
to
> WARNING state, which is painful for me, getting spammed by my own
> system...
> 
> however, I found a comment, that it may be because of the concurring
pings
> not beeing able to open two icmp raw sockets tu listen to the ping
reply.
> 
> Now my question is:
> 
> Is it possible to execute several other service-checks at the same
time,
> but only one ping at a time ?
> 
> I have ping added as a service on some machines because they can not
> beeing checked another way.


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