Date: Fri, 07 Mar 2014 14:57:21 -0800 (PST) From: jcv <jv@yeaguy.com> To: John Baldwin <jhb@freebsd.org> Cc: freebsd-net@freebsd.org Subject: Re: LAN network performance issues Message-ID: <alpine.BSF.2.00.1403071455020.59880@yeaguy.com> In-Reply-To: <201403071319.06548.jhb@freebsd.org> References: <alpine.BSF.2.00.1403062115530.99217@yeaguy.com> <201403071319.06548.jhb@freebsd.org>
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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 > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" > 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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