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Aruba switch throttling speed?

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  • 1.  Aruba switch throttling speed?

    Posted Feb 25, 2021 06:49 PM
    we have a weird one.
    8 months ago Site A went online with 2540 24port switch. speed test came 45/19 with link being 50/20(this is what we purchased.).

    about a month ago users started complaining that speed is horrendous and did speed test and the results were 20/15 with the same link of 50/20.

    yesterday we removed switch from the equation and connected directly to onsite router and we got 48/19.
    we plugged the switch back in with only connecting 1 device and we get 15/10.

    all port speed is set to auto. no QoS applied.
    Anything else i should check.

    16.10 is the firmware version.

    ------------------------------
    Anand Nagarajan
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  • 2.  RE: Aruba switch throttling speed?

    EMPLOYEE
    Posted Feb 26, 2021 03:32 AM
    Possibly one end of the link (RTR or Switch ) is failing to auto negotiate speed & duplex correctly between devices (probably running at half duplex).

    Try setting the port speed/duplex manually at the switch to the desired & appropriate physical interface speed with full duplex :-
    conf t
    interface xx
    speed ?
    10-half 10 Mbps only, half duplex.
    100-half 100 Mbps only, half duplex.
    10-full 10 Mbps only, full duplex.
    100-full 100 Mbps only, full duplex.
    1000-full 1000 Mbps only, full duplex.
    auto Auto-negotiate link parameters.
    auto-10 10 Mbps only, auto-negotiate link parameters.
    auto-100 100 Mbps only, auto-negotiate link parameters.
    auto-2500 2500 Mbps only, auto-negotiate link parameters.
    auto-5000 5000 Mbps only, auto-negotiate link parameters.
    auto-2500-5000 2500 or 5000 Mbps only, auto-negotiate link parameters.
    auto-1000 1000 Mbps only, auto-negotiate link parameters.
    auto-10-100 10 or 100 Mbps only, auto-negotiate link parameters.
    auto-1000-2500 1000 or 2500 Mbps only, auto-negotiate link parameters.
    auto-1000-2500-5000 1000, 2500, or 5000 Mbps only, auto-negotiate link
    parameters.
    auto-10g 10 Gbps only, auto-negotiate link parameters.

    If the link refuses to come up, set the link speed and duplex to match on the RTR.

    Regards, Steve

    ------------------------------
    Steve Bartlett
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    Original Message