On Thu, 30 Aug 2012, Norbert Aschendorff wrote:
Hi,
I tested it using tcpdump: http://nopaste.info/9394068f54_nl.html
The length field says for each packet 1408 bytes, so that should be OK.
The Wireshark instance on the iperf server says something like "16732
bytes on wire" for the most packet
On Thu, Aug 30, 2012 at 5:06 PM, Norbert Aschendorff
wrote:
> I tested it using tcpdump: http://nopaste.info/9394068f54_nl.html
> The length field says for each packet 1408 bytes, so that should be OK.
>
TCP the packet size is OK (MSS negociated), it's in IPv6 UDP mode that
iperf have a problem w
I tested it using tcpdump: http://nopaste.info/9394068f54_nl.html
The length field says for each packet 1408 bytes, so that should be OK.
The Wireshark instance on the iperf server says something like "16732
bytes on wire" for the most packets (not always with 16732 bytes, but
most packets over 10
On Wed, Aug 29, 2012 at 8:14 PM, Norbert Aschendorff
wrote:
> This confirms the FreeBSD IPv6 receive rate measured with Linux as
> sender (iperf client).
>
Hi,
Last time I've played with IPerf and IPV6 between my FreeBSD machines,
he didn't take care of the IPv6 Ethernet MTU (1480 and not 1500),
Norbert Aschendorff yahoo.de> writes:
> ...
> {Values in MBit/s}
>
> Configuration IPv6IPv4
> ---
> [1] -> [2]450 600
> [2] -> [1]401 855
> ...
Well done. Thanks.
jb
___
So, I got the results using the Live system.
Machine [1] is an older Thinkpad T61 (running the Live system), Machine
[2] the well-known "FreeBSD" machine from the previous benchmark. Both
machines run FreeBSD 9.1-RC1 GENERIC.
{Values in MBit/s}
Configuration IPv6IPv4
--
That's a bit difficult because I own only one FreeBSD machine - to
provide a result FreeBSD->FreeBSD I'd have to set up a completely new
system. On the other side, I could try it using the Live system. I'll
try it and tell you when I have results.
Norbert
__
Norbert Aschendorff yahoo.de> writes:
> ...
> Little table (values in Mbit/s):
>
> Configuration v6 v4
> ===
> Linux -> Linux925 935 # <= This could be v6's 40B header
># vs. v4's 20B
> Lin
On 28/08/2012 17:38, Norbert Aschendorff wrote:
> Configuration v6 v4
> ===
> Linux -> Linux925 935 # <= This could be v6's 40B header
># vs. v4's 20B
> Linux -> FreeBSD 450 700
> Fre
I'd guess it has to do with incomplete offload code for ipv6, but I'm sure
you'll see bz chiming in with details. :-)
___
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Hi,
I'm using here a Gigabit Ethernet network and some UN*X machines, among
others some Linux-based (Kernel 3.x) and one running FreeBSD 9.1-RC1.
Using iperf (in TCP mode), the IPv6 bandwith between two Linux machines
(directly attached to the same switch) is about 925 Mbit/s, IPv4
bandwith is abou
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