Mii-tool not forcing 100 Full Duplex
Samba is dog-slow. After digging through FAQ's, etc., on how Samba shares might transfer data slowly, I ultimately discovered that my network adapters eth0 and eth1 are set to 10Mb half-duplex. The statistics show errors and lots of collisions. I'm not surprised. I have 2 NIC's on the machine, eth0 is built-in to the Soyo KT-333 Motherboard, and the other NIC is a D-Link DFE-530TX+. Both NIC's load as an "8139too" and both on separate Irq's. When interrogating the links with mii-tool, I get: eth0: 10 Mbit, half duplex, no link eth1: 10 Mbit, half duplex, no link I've tried forcing them to go to 100/full-duplex using "mii-tool -v -F 100baseTx-FD eth1" and get nothing back. Checking again shows no changes. I've asked the LAN guy about the switch I'm plugged into and he hasn't gotten back to me yet. I tried having mii-tool try autonegotiating again but alas, no changes there either. I'm HOPING it's because the switch is set to 10/half-duplex. Has anyone ever encountered where you attempt to force the NIC with mii-tool to talk at 100/Full Duplex and it just doesn't want to take? Any ideas of where I can start? MANY Thanks in advance! Ryan Hulslander
On Wed, 11 Jun 2003 11:37:09 -0500
"Hulslander, Ryan"
Samba is dog-slow. After digging through FAQ's, etc., on how Samba shares might transfer data slowly, I ultimately discovered that my network adapters eth0 and eth1 are set to 10Mb half-duplex. The statistics show errors and lots of collisions. I'm not surprised.
I have 2 NIC's on the machine, eth0 is built-in to the Soyo KT-333 Motherboard, and the other NIC is a D-Link DFE-530TX+. Both NIC's load as an"8139too" and both on separate Irq's.
When interrogating the links with mii-tool, I get: eth0: 10 Mbit, half duplex, no link eth1: 10 Mbit, half duplex, no link
I've tried forcing them to go to 100/full-duplex using "mii-tool -v -F 100baseTx-FD eth1" and get nothing back. Checking again shows no changes. I've asked the LAN guy about the switch I'm plugged into and he hasn't gotten back to me yet. I tried having mii-tool try autonegotiating again but alas, no changes there either. I'm HOPING it's because the switch is set to 10/half-duplex.
Has anyone ever encountered where you attempt to force the NIC with mii-tool to talk at 100/Full Duplex and it just doesn't want to take? Any ideas of where I can start? I encountered a similar problem on a Compaq Tru64 Unix box where the switch was causing the NIC to autodetect incorrectly. Some switches may have the ports set to various speeds.
--
Jerry Feldman
I have encoutered problems with 8139too also. The only solution that has worked for me is to change cables and/or network plugs. Funny, isnt't it? -Stathis. "Hulslander, Ryan" wrote:
Samba is dog-slow. After digging through FAQ's, etc., on how Samba shares might transfer data slowly, I ultimately discovered that my network adapters eth0 and eth1 are set to 10Mb half-duplex. The statistics show errors and lots of collisions. I'm not surprised.
I have 2 NIC's on the machine, eth0 is built-in to the Soyo KT-333 Motherboard, and the other NIC is a D-Link DFE-530TX+. Both NIC's load as an "8139too" and both on separate Irq's.
When interrogating the links with mii-tool, I get: eth0: 10 Mbit, half duplex, no link eth1: 10 Mbit, half duplex, no link
I've tried forcing them to go to 100/full-duplex using "mii-tool -v -F 100baseTx-FD eth1" and get nothing back. Checking again shows no changes. I've asked the LAN guy about the switch I'm plugged into and he hasn't gotten back to me yet. I tried having mii-tool try autonegotiating again but alas, no changes there either. I'm HOPING it's because the switch is set to 10/half-duplex.
Has anyone ever encountered where you attempt to force the NIC with mii-tool to talk at 100/Full Duplex and it just doesn't want to take? Any ideas of where I can start?
MANY Thanks in advance!
Ryan Hulslander
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The 03.06.11 at 11:37, Hulslander, Ryan wrote:
might transfer data slowly, I ultimately discovered that my network adapters eth0 and eth1 are set to 10Mb half-duplex. The statistics show errors and lots of collisions. I'm not surprised. [...] Has anyone ever encountered where you attempt to force the NIC with mii-tool to talk at 100/Full Duplex and it just doesn't want to take? Any ideas of where I can start?
The cables could be badly made (even id they are cat 5 whatever). Check that pin 1 and two are conected to one twisted pair of wires, and pins 3 and 6 to the other. A common mistake is having 3-4, 5-6 pairs: that will not work at 100mbps, and probably will work with errors at 10mbps. -- Cheers, Carlos Robinson
participants (4)
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Carlos E. R. -
Hulslander, Ryan -
Jerry Feldman -
Rouvas Stathis