I’ve never monitored error rates before. The standard interface thresholds of .01 for warning and 0.1 for critical are clearly too low for wireless interfaces. I set up a rule, and then set error rates to 2.5% and 5% respectively. While that’s helped, I am still getting way too many events in the log. I also see no way to average them over a period of time like you can with packets or bandwidth.
What’s best practice for wireless error rates? I saw only one post on this when I searched on the topic and that poster had entered 101% for both which seemed awfully high.
What I understand on the topic is that due to roaming, errors on wireless interfaces occur in a way that can’t be measured correctly.
If your user goes out of range / just on the edge of the range of your AP, it’s error rate will go up due to dropped packages.
If I’m mistaken, please correct me !
You are not mistaken. But that still doesn’t answer the question. There WILL be errors, it is WiFi, as you say. But how many are too many?
That said, interestingly enough my AP firmware auto-updated last night to a new version, thanks to the ever watchful Unifi Controller software. And with that upgrade the error rates have dropped off dramatically!
What’s really cool about this is that I had a problem that I didn’t even know about or recognize as a problem until I stood up CheckMk a week or so ago. It just shows the value of CheckMk!
That said, the question still stands. I will now have to adjust the monitoring thresholds back down from where they were. But how far should they come down? Certainly not down the same level as for wired interfaces, right? So where should they sit for wireless interfaces?
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