Strange problem with nagios 3.0 for network device monitoring

[Pallav.S.Gupta at relianceada.com]

thanks a ton thomas !!!




Thomas Guyot-Sionnest <dermoth at aei.ca> 
05/21/2008 03:18 PM

To
Pallav.S.Gupta at relianceada.com
cc
nagios-users at lists.sourceforge.net
Subject
Re: [Nagios-users] Strange problem with nagios 3.0 for network device 
monitoring






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On 21/05/08 03:59 AM, Pallav.S.Gupta at relianceada.com wrote:
> 
> Dear List
> 
> I am using nagios 3.0 in Ubuntu 7.10 .To monitor a router with snmp
> command i am using the following command
> 
> define service{
>                 use 
> generic-service                 ; Inherit values from a template
>                 host_name 
>     mumbai-gw1
>                 service_description                 Port 1 Link Status
>                 check_command 
>  check_snmp!-C public -o ifOperStatus.1,ifAdminStatus.1 -r 1 -m 
RFC1213-MIB
>                 }
> 
> The port is up but still it returns Critical state rather than showing
> OK state .If i eliminate the -r 1 then it only gives me the info about
> port status. But i need to get notified when port admin status is not
> equal to operational status.
> 
> So is there any way out for this problem.

You probably want to use -w and/or -c for the thresholds. i,e,

- -c 1,1

Will return critical is any of the polled values isn't equal to 1

However if you want to alert only if they aren't equal then you'll need
something else... You can write your own plugin, but you could probably
achieve what you want with service dependencies.

I.e. set a service for one OID (AdminStatus I think) that doesn't sent
notifications (notification_interval none) and make a 2nd service for
the other OID that is dependent on the first one. Whenever you put an
interface down it will cause the 1st service to go down (without
notification) and the dependency will prevent alerts from the 2nd service.

Thomas
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