[mrtg] Disabling threshold checking for a specific target

[Vincent Aniello]

Is it possible to override global threshold settings for a specific
target?
 
For example, I am using the configuration options:
 
ThreshMaxI[_]: 90%
ThreshMaxO[_]: 90%

and then trying to override the global setting to turn off threshold
checking with the following target specific settings:
 
ThreshMaxI[target]:
ThreshMaxO[target]:

 
With these configuration options the following error message appears in
the MRTG log file:
 
2008-08-05 21:01:23 -- Argument "" isn't numeric in numeric lt (<) at
/usr/local/mrtg-2/bin/mrtg line 1949.

 
I also receive email messages similar to the following:
 
From: noname at noname.com
Sent: Tuesday, August 05, 2008 8:36 PM
To: noname at noname.com
Subject: [MRTG-TH] UN-BROKEN target thresh max i ( vs 0)
 
Threshold UN-BROKEN
-------------------
    
Unicast packets/second for description - device
 
   Target: target 
     Type: thresh
Direction: i
    Bound: max
Threshold: 
  Current: 0
 
 
From: noname at noname.com
Sent: Tuesday, August 05, 2008 8:26 PM
To: noname at noname.com
Subject: [MRTG-TH] BROKEN target thresh max i ( vs 0.00262222222222222 )
 
Threshold BROKEN
----------------
    
Unicast packets/second for target - device
 
   Target: target
     Type: thresh
Direction: i
    Bound: max
Threshold: 
  Current: 0.00262222222222222
 
 
 
Notice that the 'Threshold' field is blank.
 
Could this be a bug in MRTG?  Unless I have configured MRTG incorrectly,
threshold checking should not occur for this target.
 
Thanks.
 
--Vincent
 


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