check_icmp/check_ping trigger values

[frank]

Is this behavior documented anywhere other than in the source code? I've 
been grepping thru my copy of nagios-cvs and nagios-plugins-1.4 (which 
also contain their respective docs) and the only reference I've come 
across is:

plugins/check_icmp.c:   else if(!strcmp(progname, "check_host")) {

This would seem to be a very important configuration setting. Maybe I just 
missed it.

-frank


On Thu, 17 Feb 2005, Andreas Ericsson wrote:

> Date: Thu, 17 Feb 2005 18:18:21 +0100
> From: Andreas Ericsson <ae at op5.se>
> To: nagios-users at lists.sourceforge.net
> Subject: Re: [Nagios-users] check_icmp/check_ping trigger values
> 
[snip]
>
> Short answer (read archives for longer one);
> For service checks, these values should work in most networks with 
> normal-to-high load.
> check_icmp -H $HOSTADDRESS$ -w 200.0,40% -c 500.0,60% -i 200ms
> max_check_attempts 3
>
> For host checks;
> # ln -s check_icmp check_host
> check_host -H $HOSTADDRESS$ -i 0.5s -p 10 -t 20
> max_check_attempts 3
>
> check_icmp returns immediately upon any received packet when called as 
> check_host, so it's safe to use a higher packet count and timeout and lower 
> the max_check_attempts accordingly (it won't let nagios sit and wait as 
> check_ping does).
>
> Remember that check_icmp must be setuid root to work properly on nearly all 
> linux boxen.
>


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