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Date:      22 Nov 2000 12:51:48 -0600
From:      Tim Ayers <tayers@bridge.com>
To:        questions@FreeBSD.ORG
Subject:   NIC throughput slowness
Message-ID:  <r943262j.fsf@tim.bridge.com>

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Hi,

I have just installed FreeBSD4.1.1 onto a computer with an Intel Pro
10/100B/100+ Ethernet card connected to a 100Mb Ethernet network. I am
noticing very slow network throughput (like 0.24 Mbps) for this
computer. I'm gauging this by FTP'ing a 1MB file around between
different machines on our local network.

The computer has two NIC cards, but I've only set up/activated one
card. According to 'ifconfig' the card is using 100baseTX. I checked
the router/hub and it is using FAST ethernet for this machine's
connection.

I've noticed that the times returned by 'traceroute' between my
various machines seem the same, so maybe the problem is just with
FTP. 'traceroute -P TCP' (FTP uses TCP, right?) always times out so
I'm not sure. I don't know what other "benchmarks" to try.

Here's some info I hope is pertinent. 

  bash-2.04$ dmesg | grep fxp
  fxp0: <Intel Pro 10/100B/100+ Ethernet> port 0xcc80-0xccbf mem 0xfe100000-0xfe1fffff,0xfe201000-0xfe201fff irq 17 at device 13.0 on pci0
  fxp0: Ethernet address 00:d0:b7:84:92:0e
  fxp1: <Intel Pro 10/100B/100+ Ethernet> port 0xcc40-0xcc7f mem 0xfe000000-0xfe0fffff,0xfe200000-0xfe200fff irq 18 at device 14.0 on pci0
  fxp1: Ethernet address 00:d0:b7:84:93:1f

  bash-2.04$ ifconfig
  fxp0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
          inet 167.76.89.57 netmask 0xffffff00 broadcast 167.76.89.255
          inet6 fe80::2d0:b7ff:fe84:920d%fxp0 prefixlen 64 scopeid 0x1 
          ether 00:d0:b7:84:92:0d 
          media: autoselect (100baseTX) status: active
          supported media: autoselect 100baseTX <full-duplex> 100baseTX 10baseT/UTP <full-duplex> 10baseT/UTP
  fxp1: flags=8802<BROADCAST,SIMPLEX,MULTICAST> mtu 1500
          ether 00:d0:b7:84:8b:e4 
          media: autoselect status: no carrier
          supported media: autoselect 100baseTX <full-duplex> 100baseTX 10baseT/UTP <full-duplex> 10baseT/UTP
  lp0: flags=8810<POINTOPOINT,SIMPLEX,MULTICAST> mtu 1500
  ppp0: flags=8010<POINTOPOINT,MULTICAST> mtu 1500
  faith0: flags=8000<MULTICAST> mtu 1500
  gif0: flags=8010<POINTOPOINT,MULTICAST> mtu 1280
  gif1: flags=8010<POINTOPOINT,MULTICAST> mtu 1280
  gif2: flags=8010<POINTOPOINT,MULTICAST> mtu 1280
  gif3: flags=8010<POINTOPOINT,MULTICAST> mtu 1280
  lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
          inet6 fe80::1%lo0 prefixlen 64 scopeid 0xa 
          inet6 ::1 prefixlen 128 
          inet 127.0.0.1 netmask 0xff000000 


I'm not sure where else to look. Thanks for any help.

Hope you have a very nice day, :-)
Tim Ayers (tayers@bridge.com)



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