On 16. Jan 2012, at 04:56 , Kevin Oberman wrote: > 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.
Or using siftr. /bz -- Bjoern A. Zeeb You have to have visions! It does not matter how good you are. It matters what good you do! _______________________________________________ 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"
