There is another scenario where you can S's, which is when using bad network cables (this is most often a problem with cheap optical fibers).
On Sun, Jan 5, 2025 at 11:57 PM Marcus D. Leech <patchvonbr...@gmail.com> wrote: > On 05/01/2025 17:19, cjohn...@serranosystems.com wrote: > > > > I hope everyone had a good holiday break! > > > > Would you mind providing some guidance on the 3 questions? > > > > Thanks > > > > > > _______________________________________________ > > USRP-users mailing list -- usrp-users@lists.ettus.com > > To unsubscribe send an email to usrp-users-le...@lists.ettus.com > I will be able to comment that 'S' on a transmit stream means that a > packet got dropped on the network between the host and > the radio. This shouldn't ever happen, but sometimes for a "fresh" > UDP stream, the kernel driver will drop a UDP frame while > it completes ARP transactions. But that should happen not very > often, and there's likely a kernel parameter that can > disable this behavior. But, for a fully-working network stack, my > understanding is that 'S' should be very rare unless you're > offering a packet load that the "stack" just cannot cope with because > it's running out of space to put your packets. > > _______________________________________________ > USRP-users mailing list -- usrp-users@lists.ettus.com > To unsubscribe send an email to usrp-users-le...@lists.ettus.com >
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