Hi Florain, Thanks for your reply.
On Thu, Aug 2, 2018 at 5:24 PM Florian Fainelli <f.faine...@gmail.com> wrote: > > > > On 08/02/2018 09:05 AM, Andrew Lunn wrote: > >> I dont see any Reply's on the PC with tcpdump on PC > > > > So try ethool -S on the PC. Any packets dropped because of errors? > > > > Try turning off hardware checksums on the switch. ethtool -K. > > Also make sure that cpsw is properly sending 64 bytes (including FCS) > packets to the switch, some switches will just discard packets when > packets are RUNT how can I dump the FCS from the switch (can I use tshark ?) Cheers, --Prabhakar Lad