On Sat, 17 Jul 1999, Matthew Dillon wrote:

> :     Hmmm, how did you do the measurement and how big of a file does it
> :need?
> :
> :     With a 122MByte file, it only does 2644Kbytes/sec.  This is
> :between two Pentium II 450 machines with Intel Pro100+ NICs.
> 
>     2.6 MB/sec is what I would expect if you were running the test
>     over an ssh link on a fast cpu - the encryption eats a lot of cpu.  But
>     a normal rcp or ftp or data transfer can easily do 9-10 MBytes/sec.

        That was actually done with ftp between two machines connected
Full Duplex to a Cisco Catalyst 2924XL switch.

>    This is over 100BaseTX, *HALF* duplex running through a hub.  9.9
> MBytes/sec.
>    (using 1 MByte = 1000 * 1000).
> 
>    But if I use ssh instead, which I do only so I remember to turn off
>    the shell service in my inetd.conf that I just turned on a moment ago, 
>    I am limited by apollo's poor PPro-200 and get:
> 
> test3:/root# ssh apollo -n "dd if=/images/swap/swap.209.157.86.6 bs=16k" > /dev/null
> 8192+0 records in
> 8192+0 records out
> 134217728 bytes transferred in 96.545217 secs (1390206 bytes/sec)
> test3:/root# 

        Interesting...


Cheers,
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