I am pretty sure this is the cosmetic bug affecting ION (Modular IOS) :
CSCtb43697 output of "show platform hardware cap cpu" not correct on modular IOS
which has been duplicated into
CSCtb45475 sh plat hard capacity cpu report system memory usage incorrectly
Bug notes report that it should be fixed in SXI4, so you should have the fix as you run SXI4a.
However since ION is in end of engineering status I would not be suprised if it did not get fixed.
I did not have time to check the code directly and see if the diff made into it.
Anyway this is not the point in my opinion. The point is :
1) confirm if this is a cosmetic issue.
Just connect to some module (attach 1; attach 2 etc.) and run show memory. This is the value to trust (as the I/O memory which is apparently high refer to the LCs installed in the 2 chassis). If you see a lower value just forget about 'show plat hard capacity cpu report'.
2) What are you still doing on ION? As I wrote modular IOS got to a dead end, it is not developed anymore and don't offer any added value (I would say the contrary). FYI the 'v' in the system image name tells you that you have ION.
Why don't you move back to standard IOS and get rid of similar (or worse) issues?
I know that SXI4a is pretty stable. One thing I noticed, is that you are running a modular version of IOS (wan-vz). Usually with modular IOS your CPU runs at higher capacity. Also, Cisco has decided to eliminate the modular IOS for the 6500 series. So, it can probably help if you load a non-modular IOS next time you are planning to upgrade your devices.
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