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Posted 3/17/2005 7:05:39 AM
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Last Login: 3/6/2006 2:16:00 AM
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Hi everyone,

like so many others I stumbled over these topics in the past, and every time I browse the WUG8 or WUG pro forums there are new posts from people seeking help monitoring those counters, finding that they are missing, and then start using awkward workarounds.

The root of the problem is that SNMP delivers the following counters:

Network interface: Maximum bandwidth, current utilization (both in Bytes)

Harddisk: Maximum capacity (Disk size), capacity already taken (both in Bytes)

While those values are perfect for status monitoring, they are unusable for alerting, where a trigger value like "less than 10% capacity left" or "more than 90% bandwidth taken" is desired. To accomplish this even the most simplistic SNMP monitors (like Loriot [freeware]) support simple math with SNMP values. All you need is +,-,*,/, and sometimes () handling:

Trigger[%]=100/Max[Bytes]*(Max[Bytes]-Current[Bytes])

Doesn't sound too complicated, does it? Writing a program having the intelligence of a 1970 table calculator is usually a coding example a first year programming student spends a rainy weekend on, so I was very disappointed when I found out that a high praised >$1000 tool like WUG cannot do this, and that the developers simply don't care:

I already mailed with Ipswitch support in January complaining about this lack of functionality, but only got the response that it wasn't possible, period. I also somehow hoped that WUG pro SP-1 would fill the gap, but again - no luck.

Without that functionality WUG (both versions) is, in my mind, pretty useless for alerting purposes, and isn't this the main reason why many of us use WUG at all?

But maybe the Ipswitch people put this on top of their priority list if some more people complain ...? So if you, like me, think that this should be done ASAP, please support this post by rating it (use the "Rate This Topic" link above) and, like me, mail to Ipswitch...

...Armin

Post #5736
Posted 3/18/2005 2:50:24 AM
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Hello,

 

i don't know Whatsup gold, only professional, and i'm disappointed also by those impossibility. How to obtain the bandwith on devices whereas it is impossible to add ifInOctet and IfOutOctets ?

And poor reports (no graphics with the part % of each stream monitored)

not a so bad product, but need a little to be greatly better !

Post #5777
Posted 3/18/2005 6:36:00 AM
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Last Login: 7/28/2008 3:18:53 AM
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Why not try the Threshold option in MRTG?

I'm not sure if something similar was available in the Denika version of Whats Up Gold as I've always used WUG and MRTG seperately

 

Post #5783
Posted 3/19/2005 6:18:00 AM
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As far as my knowledge of MRTG goes it does neither support thresholds nor is it able to send any alerts, it cannot do anything than paint nice graphics ...
Post #5807
Posted 3/20/2005 6:27:36 AM
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If you check http://people.ee.ethz.ch/~oetiker/webtools/mrtg/mrtg-reference.html and look at Threshold Checking.

OK it won't send any alerts, but you can get it to run a batch file when a level is reached - eg. 90% diskspace.

The only drawback is that you have to write a sub in the batch/vbscript to create a flag file so that it only sends one "alert" out rather than everytime the item is polled.

I checked the Denika site and there new version is integrated with Pro. (www.somix.com)

 

Post #5814
Posted 3/21/2005 11:56:31 AM
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I want that thing done by WUG ...

Sure, I could write batches. Actually I do habe a ton of batches, that's why I finally purchased WUG. I would not use MRTG, of course, since fetching an SNMP value can be done a lot easier using a command line utility like SNMPutil (free). Even a batch has enough math capabilities to do the simple % calculation, and then I could use another tool, like sendmail, to send a notification. And if I've done all that I'd use WUG what for?

...Armin
Post #5843
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