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Frequent Contributor II
Posts: 105
Registered: ‎07-06-2015

setting MTU to prevent Jumbo frames

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

Guru Elite
Posts: 20,808
Registered: ‎03-29-2007

Re: setting MTU to prevent Jumbo frames

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.


Colin Joseph
Aruba Customer Engineering

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