check_multi advice to check "Internet available"

Gordon Messmer yinyang at eburg.com
Tue May 25 01:58:21 CEST 2010


On 05/24/2010 02:51 PM, Marc Haber wrote:
> On Mon, May 24, 2010 at 03:37:13PM -0400, Matt Simmons wrote:
>> Have you considered adding your upstream router as a host, and making
>> it the parent of your remote hosts?
>
> Yes, but that's a workaround which will misfire in the case where it's
> the own ISP that's faulty at its uplik.

If that's something you're concerned about, your check_multi will also 
"misfire" when the problem is at the uplink for the machines that you're 
monitoring.

Monitoring a gateway and making it the parent is in no way a "workaround".

An ideal installation for monitoring WAN-connected hosts would monitor 
your default gateway and make that the parent of all hosts.  You'd also 
monitor the router at each remote site and make that the parent of all 
hosts at that site.

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