On Mon, Aug 14, 2000 at 02:09:01PM +1000, Peter Jeremy wrote:
> On 2000-Aug-10 15:36:01 +1000, Peter Jeremy <[EMAIL PROTECTED]> wrote:
> >I just noticed a really peculiar network slowdown with -current from
> >about a week ago. The machine has two NICs - an old 16-bit SMC card
> >(ed0) running 10baseT and a PCI SMC card (tx0) running 100baseTX full
> >duplex.
> >
> >When I scp (either ssh-1.2.27 or OpenSSH) to a remote machine via ed0,
> >I get a throughput of ~8KB/sec. When I go via tx0, I get ~3MB/sec
> >(CPU limited). If I use ftp via ed0, I get wire speed (just over
> >1MB/sec).
>
> Having done some more tests, and a bit more digging, I've found
> the culprit is net.inet.tcp.newreno. When set to 1 (the default),
> ssh (but not FTP) connections to hosts not on the same subnet
> (as determined by in_localaddr()) have an effective window size of
> 1 MSS.
Same here.
It seems that the default was 0 before at least on a current system from
July.
--
B.Walter COSMO-Project http://www.cosmo-project.de
[EMAIL PROTECTED] Usergroup [EMAIL PROTECTED]
To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-current" in the body of the message
