Hello Nick, That's the spirit of my question: why couldn't you break up a CHDR packet over multiple Ethernet frames? I understand it is common for Ethernet to break up an IP packet (which would also have a 16-bits field for packet size in its header) into fragments, but limiting the size of the CHDR packet itself to fit in just one Ethernet frame beforehand seems to be something thought out well before the data arriving the network interface.
And Brian: in my case I am indeed using jumbo frames, as my MTU is 9000 bytes. Regards, Leo On Wed, Aug 1, 2018 at 5:27 PM Brian Padalino <bpadal...@gmail.com> wrote: > On Wed, Aug 1, 2018 at 3:59 PM Nick Foster via USRP-users < > usrp-users@lists.ettus.com> wrote: > >> That's the MTU of your network interface limiting the CHDR packet size. >> Can't break up CHDR packets over multiple network packets. >> > > Is the last statement that CHDR can't break over multiple network packets > a limitation of the implementation or the technology in general? UDP can > have up to 64k (approximately) bytes for payload size. > > Could Super Jumbo frames, if supported by the network, alleviate this > problem - or is it elsewhere in the system for the limitation as well. > > Brian >
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