Is the duplexing set correctly? What type of switch is the system
connected to? Cisco?

I've had problems with intel cards/cisco boxes not negotiating
correctly. If the system doesn't match the switch, you'll get terrible
performance.

# /sbin/mii-tool -v
eth0: 100 Mbit, full duplex, link ok
  product info: vendor 00:50:43, model 2 rev 3
  basic mode:   100 Mbit, full duplex
  basic status: link ok
  capabilities: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD
  advertising:  100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD
flow-control


On Thu, 19 Aug 2004, Steve Linabery wrote:

> OK. I'm using an Intel NIC, according to lspci it is: Ethernet controller: Intel Corp. 82540EM Gigabit Ethernet Controller (rev 02)
> 
> Using latest e1000 driver from Intel, from source.
> 
> This host (fedora core 2) is on a gigabit segment on our LAN. Other (Mac OSX) hosts on this segment are not having the problem.
> 
> An NT 4.0 box is on the 10/100 segment of the LAN. The fc2 host has smbmount-ed a directory on the NT machine.
> 
> Here's the problem: file transfers between these two computers have become extremely slow. Talking 50k/s.
> 
> Here's 'ifconfig -v eth0' output:
> eth0      Link encap:Ethernet  HWaddr 00:07:E9:xx:xx:xx  
>           inet addr:192.xxx.x.xx  Bcast:192.xxx.x.xxx  Mask:255.255.255.0
>           inet6 addr: xxxx::xxx:xxxx:xxxx:xxxx/64 Scope:Link
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:322464 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:304204 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000 
>           RX bytes:327465261 (312.2 Mb)  TX bytes:253277737 (241.5 Mb)
>           Base address:0xd000 Memory:cff80000-cffa0000 
> 
> Thought it might be samba, but scp file transfers are just as slow. And it's any host on the 10/100 segment, not just the NT box.
> 
> I'm using the e1000 driver with the default parameter settings.
> 
> Can anybody help?
> Thanks,
> Steve
> -- 
> Steve Linabery
> World Cycling Productions
> 
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Clay Fandre				email: clay at fandre.com
					PGP Key ID: 0x50DBBB60

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