On Fri, 7 Mar 2014, John Baldwin wrote:
On Friday, March 07, 2014 12:17:05 am jcv wrote:
Hi - I am seeing some strange IPERF results.. Everything goes through my
WIFI/GIGABIT router.
For these tests everything is plugged directly into the router via
Ethernet cable.
My issue is the transfer rate from Windows to FreeBSD.
There are 3 different computers in this lab running 3 different OS.
Here are the results:
FreeBSD as server:
[vic@yeaguy ~] iperf -s
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 64.0 KByte (default)
------------------------------------------------------------
[ 4] local 192.168.1.3 port 5001 connected with 192.168.1.8 port 52505
[ ID] Interval Transfer Bandwidth
[ 4] 0.0-10.1 sec 157 MBytes 131 Mbits/sec <----- WINDOWS 8.1 as
client on same LAN/ROUTER
[ 5] local 192.168.1.3 port 5001 connected with 192.168.1.12 port 60926
[ 5] 0.0-10.0 sec 1.10 GBytes 941 Mbits/sec <------ MACBOOK PRO as
client on same LAN/ROUTER
Windows as the server:
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 64.0 KByte (default)
------------------------------------------------------------
[ 4] local 192.168.1.8 port 5001 connected with 192.168.1.3 port 60529
[ ID] Interval Transfer Bandwidth
[ 4] 0.0-10.0 sec 1014 MBytes 850 Mbits/sec <--------- Freebsd 10 as
client on same LAN/ROUTER
[ 4] local 192.168.1.8 port 5001 connected with 192.168.1.12 port 60933
[ 4] 0.0-10.0 sec 1.08 GBytes 931 Mbits/sec <------ MACBOOK PRO as
client on same LAN/ROUTER
Macbook Pro as the server:
[ 3] local 192.168.1.8 port 52509 connected with 192.168.1.12 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-10.0 sec 823 MBytes 690 Mbits/sec <------ WINDOWS 8.1 as
client on same LAN/ROUTER
[ 3] local 192.168.1.3 port 23190 connected with 192.168.1.12 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-10.0 sec 1016 MBytes 852 Mbits/sec <------ Freebsd 10 as
client on same LAN/ROUTER
With FreeBSD being the server, Windows transfer to FreeBSD is slow,
compared to Macbook to FreeBSD transfer..
With Windows as the server, FreeBSD and Macbook to Windows transfer is
great.
With Macbook as server, Windows and FreeBSD transfer is good.
The only bad transfer is Windows to FreeBSD. Windows transfer to Mac is
good. Cant really blame Windows for the poor transfer to FreeBSD then.
Macbook to FreeBSD is outstanding, cant really blame FreeBSD for poor
receive performance.
Can you tell us more about the FreeBSD box such as the NIC being used?
--
John Baldwin
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Sure John --
Here is the fbsd nic info:
[vic@yeaguy ~] cat /var/run/dmesg.boot | grep re0
re0: <RealTek 8168/8111 B/C/CP/D/DP/E/F/G PCIe Gigabit Ethernet> port
0xe800-0xe8ff mem 0xfdfff000-0xfdffffff,0xfdff8000-0xfdffbfff irq 18 at
device 0.0 on pci3
re0: Using 1 MSI-X message
re0: Chip rev. 0x48000000
re0: MAC rev. 0x00000000
miibus0: <MII bus> on re0
re0: Ethernet address: d8:50:e6:ba:c8:99
[vic@yeaguy ~] ifconfig
re0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=8209b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,WOL_MAGIC,LINKSTATE>
ether d8:50:e6:ba:c8:99
inet 192.168.1.3 netmask 0xffffff00 broadcast 192.168.1.255
inet6 fe80::da50:e6ff:feba:c899%re0 prefixlen 64 scopeid 0x1
nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
media: Ethernet autoselect (1000baseT <full-duplex>)
status: active
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
options=600003<RXCSUM,TXCSUM,RXCSUM_IPV6,TXCSUM_IPV6>
inet6 ::1 prefixlen 128
inet6 fe80::1%lo0 prefixlen 64 scopeid 0x2
inet 127.0.0.1 netmask 0xff000000
nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
[vic@yeaguy ~]
I tried to remove rxcsum and txcsum, but that didnt really improve the
behavior.... I almost convinced its a iperf issue? maybe.. after iperf
testing i did a FTP transfer and it exceeded what iperf is claiming the
throughput is.. so im not sure what to make of it.
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