ADSL modem checking

Sean McAfee smcafee at collaborativefusion.com
Wed Aug 27 15:01:58 CEST 2008


J. Bakshi wrote:
> Ok, so ping_check is a  ping command with standard features.
>
> I would be grateful to you if you give me 1 more suggestions
>
> 1> How can I check a different IP with check_ping command. I have tried
> as below with no success
>             check_ping -H gmail.com!100.0,20%!500.0,60%
The !-separated argument syntax is only used to fill in arguments for 
predefined checks.  When running checks from the command line, switches 
must be specified before most arguments.

 From check_ping --help:
Usage:check_ping -H <host_address> -w <wrta>,<wpl>% -c <crta>,<cpl>%
 [-p packets] [-t timeout] [-4|-6]

If you look at the command definition, you'll see how each !-separated 
argument actually translates into the required switch + argument pair:

define command{
        command_name    check_ping
        command_line    $USER1$/check_ping -H $HOSTADDRESS$ -w $ARG1$ -c 
$ARG2$ -p 5
        }

What you're looking for is `check_ping -H gmail.com -w 100.0,20% -c 
500.0,60% -p 5`  (the -p switch is optional, but specifies the amount of 
icmp packets to send - after all, what good is a single ping?)

If you're trying to configure a check where a host will ping an 
arbitrary external host, remember that the $HOSTADDRESS$ macro will 
always be filled in with the host_name or host_address of the service.  
To get around that, define a new check along the lines of:

define command{
        command_name    check_ping_external
        command_line    $USER1$/check_ping -H $ARG1$ -w $ARG2$ -c $ARG3$ 
-p 5
        }

and then use:

check_command      check_ping_external!www.gmail.com!100.0,20%!500.0,60%

in your service check definition.

Sean McAfee
System Engineer

Collaborative Fusion, Inc.
 smcafee at collaborativefusion.com
 412-422-3463 x 4025

5849 Forbes Avenue
Pittsburgh, PA 15217

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