matthew c. mead wrote:
This may or may not help, but I have found increased performance when the interfaces are locked at their desired speed/duplex. Some cards are better than others at detecting this info, but none really do a great job at it.On Sun, Dec 22, 2002 at 08:16:28AM +1000, Steve Baxter wrote:Check out the duplex setting on the ethernet ports. Use'ifconfig' and 'netstat -I dev -w 1' on FreeBSD
ifconfig fxp0:
fxp0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 192.168.1.99 netmask 0xffffff00 broadcast 192.168.1.255
inet6 fe80::2d0:b7ff:fe9e:2bbe%fxp0 prefixlen 64 scopeid 0x1 ether 00:d0:b7:9e:2b:be
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active
The switch's light for full duplex on this port is ON.
The netstat lists no errors or collisions.
'ifconfig', 'mii-tool' and 'cat /proc/net/dev' on Linux
ifconfig eth0:
eth0 Link encap:Ethernet HWaddr 00:07:95:35:DD:77 inet addr:192.168.1.101 Bcast:192.168.1.255 Mask:255.255.255.0
UP BROADCAST NOTRAILERS RUNNING MULTICAST MTU:1500 Metric:1
RX packets:60487 errors:0 dropped:0 overruns:0 frame:0
TX packets:93881 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:100 RX bytes:19959655 (19.0 Mb) TX bytes:78760612 (75.1 Mb)
Interrupt:5 Base address:0xd400
mii-tool:
eth0: negotiated 100baseTx-FD, link ok
The switch's light for full duplex on this port is ON.
I have found this to be more apparent wiht windows systems. My windows XP box has awful performance in auto-detect mode using an Intel card connected to a Cisco 2924XL. Once I lock the speed and duplex, life is great.
It could be something to try.
.daniel.schrock
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