[USRP-users] USRP N210 Maximum MTU Size

Josh Blum josh at ettus.com
Sun Jun 17 00:55:41 EDT 2012



On 06/16/2012 06:27 PM, Robert Palumbo wrote:
> Hello,
> 
> Does anyone know if the N210 has a limit on the maximum MTU /
> recv_frame_size that it can support? I know that this is also limited
> by my network card and configuration, but does the N210 have a limit
> on the size of the packets it can send? My network card supports jumbo
> packets up to 9KB, so I'd like to increase the MTU on the N210 above
> the default 1472bytes.
> 
> Thanks for any help,
> 
> Rob


With the stock FPGA build you can have up to 4KiB per frame.
Leave a little room for headers.

-josh




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