Re: disman event mib monitor statement question

Manjul Rai <manjul.rai <at> gmail.com> writes:

> 
> 
> Hello,
>  
> I have read the man pages and it seems that the monitor statement 
only accepts one expression.  I would love to find out if there is any way 
to do AND/OR logic in the monitor statement.
>  
> Challenge: Linux system has multiple interfaces; however, only a few are 
both admin and operationally up.  The rest are both admin and 
operationally down.
> Current solution: The standard link monitoring statements work off 
of the ifOperStatus.  For example, the following lines will generate 
linkDownTraps when the ifOperStatus is detected to be down (2):
>  
>     notificationEvent linkUpTrap linkUp ifIndex ifAdminStatus 
ifOperStatus ifName ifDescr
> 
>     notificationEvent linkDownTrap linkDown ifIndex ifAdminStatus 
ifOperStatus ifName ifDescr
> 
> 
>     monitor -u snmpdTrapUser -t -r 30 -e linkUpTrap "Generate linkUp" 
ifOperStatus != 2
> 
>     monitor -u snmpdTrapUser -t -r 30 -e linkDownTrap "Generate 
linkDown" ifOperStatus == 2
> Since, some of my interfaces will be both admin and operationally 
down, I only want to generate linkDownTraps IFF the interface is 
ifAdminStatus == UP AND ifOperStatus == DOWN.
>  
> Question: Is it possible to do something like the following:
>    monitor -u snmpdTrapUser -t -r 30 -e linkDownTrap "Generate 
linkDown" ifAdminStatus != 2 and ifOperStatus == 2
>  
> I know that the monitor statement does not support AND logic, but I 
am looking for any ideas on how to do this.
>  
> thanks,
> Manjul
> 
> 
> 
> 
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Is there someone have a workaround for this?



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