On Sun, Jan 15, 2012 at 10:58 AM, Bjoern A. Zeeb < bzeeb-li...@lists.zabbadoz.net> wrote:
> On 15. Jan 2012, at 16:28 , Steven Hartland wrote: > > > Yep we installed openssh-portable + HPN and experienced noticeably > > reduced transfer rates on high latency links, exactly the opposite > > as one would expect. I don't have the exact figures I'm afraid as > > we just went straight back to standard ssh. > > > > I'll try and get some time to retest and provide some proper > > results. > > Thanks. If you do please try the bundled version in 8-STABLE or 9 and > also gather the usual meta data (latency, packet loss, IPv4/v6, any > socket buffer tuning, ...). > And, if it happens with 9, any chance of a tcpdump capture of all of the headers for analysis? (No packet data needed.) We use the HPN version extensively on high latency links (often trans-oceanic) and have never seen that. I'd find running tcptrace and generating time plots very useful for looking at this sort of performance issue. -- R. Kevin Oberman, Network Engineer E-mail: kob6...@gmail.com _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"
