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Aruba 2930M 48G PoE+ (JL322A) performance

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  • 1.  Aruba 2930M 48G PoE+ (JL322A) performance

    Posted Jul 29, 2020 09:38 AM

    Hi guys,

     

    According to Quick Specs, performance parameters for this model are:
    Throughput: Up to 112 Mpps
    Stacking Performance: 100 Gbps
    Switching Capacity: 176 Gbps
    Switching Capacity (including Stacking): 278 Gbps

    The most demanding configuration for this model is: 48 10/100/100 ports + 4 10GE ports + 2 25GE ports

    For this demanding configuration:
    Port switching capacity would be: 176 Gbps
    Throughput for these ports would be: 130.95 Mpps
    Stacking switching capacity would be: 100 Gbps
    Stacking throughput would be: 74.4 Mpps

     

    I have some questions I would like you to answer and explain me:

     

    1. Why Switching Capacity (including Stacking) is 278 Gbps, instead of 276 Gbps. I think it is an error in Quick Specs.
    2. Why switch throughput is up to 112 Mpps?. Only port throughput is 130.95 Mpps, and if you add stacking throughput you can talk about 130.95+74.4=205.35 Mpps for throughput. Does this mean that this switch model is not wire rate?

    Thanks in advance for your support.



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