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Alert Suppression

noeladams over 15 years ago

Is there a simple way to suppress an alert of high packet loss when a node goes down and them comes back up (ex. techs doing maintenance and having to reboot or reset devices). We have our alerts set so anything over 40% packet loss triggers a email but if someone takes a node down and brings it back up we get a packet loss alert, down alert, packet loss (when coming online).

0 qle over 15 years ago

If it's an advanced alert, you can configure the alert to trigger only if a "condition exists for more than X seconds/minutes/hours". Is that what you're trying to accomplish?
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0 noeladams over 15 years ago in reply to qle

sort of.
I have my down node set for 1 minute and my high packet loss set for 6 minutes so I'm looking at the timing now....
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0 qle over 15 years ago in reply to noeladams

Yeah, then you definitely want to add a condition that suppresses the alert if the node itself is down.
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0 noeladams over 15 years ago in reply to qle

yea,
See if this seems right to you.

Suppress Alert when "any" of the following apply
field "Node Status" is equal to value "Down"

I just don't want to end up suppressing all nodes by any chance and am still learning the adv alerts.
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0 qle over 15 years ago in reply to noeladams

It doesn't have to be a complex condition. It can simply be a simple condition which reads:

"Node Status" is equal to "Down"

Remember that each alert will compare its conditions to a single node at a time. Therefore, this alert will apply to all servers—one at a time—but will only trigger if all of your conditions are met. Anyway, your suppression condition should work just fine.
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0 noeladams over 15 years ago in reply to qle

okay.
thanks!!!!!! :)
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0 FormerMember over 15 years ago

supression is a tricky thing to get the desired result from so not sure if this is still an active issue with you but here is another way to skin the cat.

in the trigger where you are looking or the 40% packet loss just add another simple condition

Node.Status is equal to UP

Supression tab entries are notorious for not working is all so wanted to give you another option.
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