On Sat, 2018-07-21 at 20:23 +0300, Jonathan Morton wrote:
> 
> I'd like to see a tcptrace of what's going on here.  A packet capture
> with snaplen 100 should allow me to generate one.
> 

I ran it again, with net.ipv4.tcp_congestion_control=reno.
Same settings as before. 'tcpdump -s 100' ran on the host (not the
router).

Georgios