While double checking some stats on a network I came across this in Libre. 84% is usually something that would cause me to be alarmed, as Libre is trying to tell us.
After some research, I found the following.
While it is not documented, it was noted that this was by design and that it would not affect the switch as the switchport becomes more and more loaded.
The switch allocates dedicated memory to certain processes / resources by default and then additional resources when the configuration is added. This ensures proper functionality and is again by design.
The I/O Memory pool buffers information transmitted to and from the CPU, and does not affect the actual forwarding of packets on the switch.
Translation: The switch uses up these resources by default, even if they aren’t all being used. Think of it as setting it aside for future use without dynamic allocation of them.
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