In moving from the Net2Debugged [1.30] (Kernel 1.0.9) to NET3.014 (Kernel
1.1.16) or NET3.017 (Kernel 1.1.59) I have noticed a sharp drop (1.5-1.6Kb/s
down to 1.2Kb/s) in my FTP Transfers over a 14.4K CSLIP Connection to second
Linux Host (Kernel 1.1.59) which is accessible via our Terminal Server!
During the same CSLIP Connection to a SUN SparcStation (on the same LAN as
the second Linux Host), I still get the 1.5-1.6Kb/s which I was previously
getting with my 1.0.9 Kernel? My MTU is set to 1500 (matching our TS) and
I am referring to transfers of compressed binary data.
In general I understood that the NET3 Code was an improvment over the NET2D
Code, so I find this drop in performance a bit surprising! Watching the
RD/SD LEDs on my USR Sportster there is some idle time with the 1.1.16/1.1.59
Kernels running, but still NOT enough to account for 25% lose in throughput.
Anybody able to suggest a cause for these inefficiencies and/or able to
provide a solution?