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Backplane Utilization

Can anyone tell me how can we calculate the Backplane Utilization of 3750 switch?

 

Regards,
Mukesh Kumar
Network Engineer
Spooster IT Services 

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Unsure there's a command to show ring utilization as a percentage.  If not, you can monitor frames sent to/from stack ports and compute utilization.

e.g.:

3750X#sh switch stack-ring activity detail

Sw Asic    Rx Queue-1    Rx Queue-2    Rx Queue-3    Rx Queue-4          Total
------------------------------------------------------------------------------
1     0             0             0       2981140             0        2981140
1     1             0        394278  158934589766    6010922929   164945906973
1     2     502760692       9442668    2324996131             0     2837199491
                                                ------------------------------
                                                Switch 1 Total:   167786087604
------------------------------------------------------------------------------
2     0             0         12947   15411956163     957656103    16369625213
2     1             0          5185  170161498932             0   170161504117
2     2     870699076      86548143             0             0      957247219
                                                ------------------------------
                                                Switch 2 Total:   187488376549
------------------------------------------------------------------------------
3     0             0         10858   73649270770    2271375471    75920657099
3     1             0           142   49995945403     258593621    50254539166
3     2     816682878     855616799   55422857706   21831320533    78926477916
                                                ------------------------------
                                                Switch 3 Total:   205101674181
------------------------------------------------------------------------------

Total frames sent to stack ring : 560376138334

Note: these counts do not include frames sent to the ring
by certain output features, such as output SPAN and output
ACLs.

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