Wireless Access

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Access network design for branch, remote, outdoor, and campus locations with HPE Aruba Networking access points and mobility controllers.
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setting MTU to prevent Jumbo frames

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  • 1.  setting MTU to prevent Jumbo frames

    Posted Dec 16, 2016 05:52 AM

    I read the useful article here:

     

    http://community.arubanetworks.com/t5/ArubaOS-and-Controllers/Oversize-jumbo-frame-errors/m-p/5421/highlight/true#M1860

     

    A couple of customers have noticed the errors/jumbos appearing on interfaces and in some cases that leads to false positives when monitoring their switches for errors.

     

    We could conceivably set the MTU in the system profiles (though it is a bit of a faff as we have quite a few of them) and I don't really like the idea of having it hard-coded in there. But apart from nuisance factor is there any other reason not to set the MTU value to 1500? Does it mean that APs can't take advantage of a higher MTU if the network supports it?

     

    Thanks



  • 2.  RE: setting MTU to prevent Jumbo frames
    Best Answer

    EMPLOYEE
    Posted Dec 16, 2016 05:55 AM
    The APs cannot take advantage of a higher MTU, but that is typically only needed in hardcore performance testing, not in an everyday deployment. It is otherwise reasonable.