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SubjectRe: Network performance - iperf
Eric Dumazet wrote:
> Le lundi 29 mars 2010 à 13:33 +0200, Michal Simek a écrit :
>
>> Do you have any idea howto improve TCP/UDP performance in general?
>> Or tests which can point me on weak places.
>
> Could you post "netstat -s" on your receiver, after fresh boot and your
> iperf session, for 32 MB and 256 MB ram case ?
>

I am not sure if is helpful but look below.

Thanks,
Michal

~ # ./netstat -s
Ip:
0 total packets received
0 forwarded
0 incoming packets discarded
0 incoming packets delivered
0 requests sent out
Icmp:
0 ICMP messages received
0 input ICMP message failed.
ICMP input histogram:
0 ICMP messages sent
0 ICMP messages failed
ICMP output histogram:
Tcp:
0 active connections openings
0 passive connection openings
0 failed connection attempts
0 connection resets received
0 connections established
0 segments received
0 segments send out
0 segments retransmited
0 bad segments received.
0 resets sent
Udp:
0 packets received
0 packets to unknown port received.
0 packet receive errors
0 packets sent
RcvbufErrors: 0
SndbufErrors: 0
UdpLite:
InDatagrams: 0
NoPorts: 0
InErrors: 0
OutDatagrams: 0
RcvbufErrors: 0
SndbufErrors: 0
error parsing /proc/net/snmp: Success



--
Michal Simek, Ing. (M.Eng)
PetaLogix - Linux Solutions for a Reconfigurable World
w: www.petalogix.com p: +61-7-30090663,+42-0-721842854 f: +61-7-30090663
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