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Date: Mon, 22 Sep 2014 01:19:26 +0300
From: Vladislav Prodan <universite@ukr.net>
Subject: Re[2]: FreeBSD 10 network performance problems
To: Rumen Telbizov <telbizov@gmail.com>
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 --- Original message ---
 From: "Rumen Telbizov" <telbizov@gmail.com>
 Date: 22 September 2014, 00:31:51
 


> Thank you for your answers Adrian and Vladislav.
> 
> Vladislav:

> Here are the details that you requested (freshly booted system):
> Once again, I am ready to provide additional metrics and run more tests
> upon request.
> 
> Thank you,
> Rumen Telbizov


1) Try to add to the config /boot/loader.conf :
net.isr.defaultqlimit=2048
net.isr.maxqlimit=40960

2) Try to add to the config /etc/sysctl.conf :
net.inet.tcp.recvbuf_inc=524288
net.inet.tcp.recvbuf_max=16777216

net.inet.tcp.sendbuf_inc=524288
net.inet.tcp.sendbuf_max=16777216
net.inet.tcp.sendspace=65536

3) On the network card turn off TSO, rxcsum and txcsum 
ifconfig ix0 -rxcsum -tso -txcsum lro


--
 Vladislav V. Prodan
 System & Network Administrator
 support.od.ua