30.12.2020 23:08, Victor Gamov wrote: > As I understand hw.ix.flow_control=3 to allow flow-control for negotiation. > Real PAUSE setting will be set during negotiation.
At the moment of congestion. > So where I can find active flow-control setting for host interface? Can't check for ix just now, but for em(4) there is sysctl dev.em.0.fc. It should be similar for ix. >> maybe increase kern.ipc.maxsockbuf and then net.inet.udp.recvspace. > Eugene, at first message you suppose Host-A (sender) "outgoing link for that > UDP packets is congested" > because this host shows non-zero "dropped due to full socket buffers". > So is net.inet.udp.recvspace increasing on Host-B (mainly receiver) will be > affected for this congestion? Can't tell in details without going deep into your setup :-) You can try it yourself and verify quickly. > Or I need to try to increase both kern.ipc.maxsockbuf and > net.inet.udp.recvspace on both hosts? Tune one that drops UDP. > Also how I can check current sockbuf usage? netstat -xn _______________________________________________ freebsd-net@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
