Re: Network very very slow... was iSCSI and jumbo frames

[BERTRAND Joël <joel.bertrand%systella.fr@localhost>]

RVP a écrit :
> On Tue, 2 Feb 2021, BERTRAND Joël wrote:
> 
>>     No, I have verified before my first message :
>>
> 
> Can you do a pure network throughput like this:
> 
> On the NetBSD side:
> $ PB=$((100*1000*1000/(32*1024)))
> $ dd if=/dev/zero bs=32k count=10000 progress=$PB | nc -N nas 9123

	dd immediatly returns when is it followed by a pipe...

legendre:[~] > dd if=/dev/zero bs=32k count=10000 progress=3051 | nc -N
192.168.12.2 9123
legendre:[~] >

> On the NAS (Linux? because ethtool):
> $ nc -l 9123 >/dev/null

	It's a Linux, but very tuned and it doesn't contain nc:

[~] # uname -a
Linux euclide 4.2.8 #2 SMP Fri Sep 25 10:15:43 CST 2020 armv7l unknown
[~] # cat /etc/issue

Welcome to TS-431P2(192.168.12.2), QNAP Systems, Inc.

	JKB