I see in my controller that the memory utilization for my switch is always around 60% and system load above 25% and shown as yellow. It is still not taking the full load yet, connected to 2 Aruba AP over POE and few other LAN devices. Is that normal?
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It is indeed normal. Managed network devices are never truly idle, and unused memory is wasted memory, so you are going to see resource utilization even with nothing connected.
okay… just was worried. Never seen my 10-year-old managed Aruba switch never CPU utilization going above 10% and memory utilization above 20% consistently with lot more load. As long as it is within the parameters I am good.
They are a different vendor with different software and different hardware. You’re going to see different results in that case. As expected, however, it still runs at “idle” with quite a few resources expended.
Either way, unused resources are wasted money. I appreciate your concern, but it would actually be more sensible to watch for over-utilization under load instead. The idle parameters are pretty meaningless unfortunately.
Does that make sense?
Perhaps, to ease end user anxiety, you might consider increasing the percentage before the system load icon changes to yellow? We are kind of trained that yellow means “needs attention”.
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I’ve had the same concern with a 16 port and only 5 devices. It’s showing 50%-60% load and 50% memory used. The icon stays yellow, which in most minds means caution.
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