How do I trigger an alarm when a network port reaches 80% utilization?

We've got a medium sized network, around 800 end user ports, all HP 2610-48-PWR switches using 2gig uplinks into a pair of HP core switches.  There haven't been any complaints of slowness or any indications of network problems.  I'm currently using intermapper (http://www.intermapper.com/) to monitor the network cores, server uplinks and switch uplinks.  

I'm looking for a way to trigger an email alert for any time a particular network port hits a configurable percentage of utilization.

I'm not opposed to using cacti or some other product, I just don't want to scroll through 2 dozen switches at the end of every day looking for high usage spikes.


rprague1Asked:
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RPPreacherCommented:
Any NMS (network monitoring software) worth ANYTHING will email alerts to you based on utilization.

I like Solarwinds Orion package.  PRTG is cheap and easy to use.  Pick your flavor.
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Steve JenningsIT ManagerCommented:
Agreed . . . PRTG is cheap and easy to use, provides good data and is very easy to configure email alerts.

Good luck,
SteveJ
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rprague1Author Commented:
Thank you for the suggestions, it turns out my current NMS (intermapper) supports this, it was just a hard to find alert in their menu system.
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rprague1Author Commented:
The comment led me to investigate my own NMS deeper and I found the option I needed.
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RPPreacherCommented:
Errr...thanks?
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rprague1Author Commented:
Hey man, I looked at the intermapper manuals for hours looking for that functionality, couldn't find it and had given up.  You inspired me to go back and look again :p
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RPPreacherCommented:
Given that I guess splitting the points would have made sense.  :(
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Steve JenningsIT ManagerCommented:
Actually . . . RPPreacher should be awarded the points. I simply agreed with his "PRTG" comment because I recently helped someone implement it and it was . . . easy.

Good luck,
SteveJ
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