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No Alarms May Not Mean No Problems

Lindsay Hill  comments on his blog:

Network monitoring is often a reactive process. Engineers see an alarm, and take action. Alarms mean someone broke something, and it needs attention. Deal with the alarms, and all will be well. No alarms == Good. But every now and then no alarms means that  monitoring is broken. Here’s an example of  where this happened, and what I do about it.

Unknown unknowns are a bad thing in networking monitoring. Never assume that a quiet period means no problems. Always verify that things are working correctly. Read on for Lindsay’s examples.

Read more at: No Alarms May Not Mean No Problems

About the author

Tom Hollingsworth

Tom Hollingsworth is a networking professional, blogger, and speaker on advanced technology topics. He is also an organizer for networking and wireless for Tech Field Day.  His blog can be found at

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