Jeff Kirsher wrote:
On 8/1/06, a1 <[EMAIL PROTECTED]> wrote:
Hi, Jeff.
JK> OPTION 2: Turn auto-negotiate on the e1000 card and tell it to only
JK> advertise 100 Full Duplex. This will allow negotiation between the
JK> two lnk partners and the e1000 will advertise that it is only able to
JK> do 100 Full duplex.
Is there any way i could do this with ethtool? It only allows force
spd/dplx , but not set it for advertising...
Not currently. That would be a nice feature though... :)
If i do as follows other side reports 1000/FD:
ethtool -s eth0 speed 100 duplex full autoneg on
Which is what I would expect. I have to step away for a bit, but if
no one responds with how to load the driver with auto-negotiate
advertising only 100 Full Duplex, I will do so when I return.
Here's that part of the driver documentation:
$ modprobe e1000 AutoNeg=0x08
e1000: 0000:00:00.0: e1000_validate_option: AutoNeg advertising 100/FD
99 /* Auto-negotiation Advertisement Override
100 *
101 * Valid Range: 0x01-0x0F, 0x20-0x2F (copper); 0x20 (fiber)
102 *
103 * The AutoNeg value is a bit mask describing which speed and duplex
104 * combinations should be advertised during auto-negotiation.
105 * The supported speed and duplex modes are listed below
106 *
107 * Bit 7 6 5 4 3 2 1 0
108 * Speed (Mbps) N/A N/A 1000 N/A 100 100 10 10
109 * Duplex Full Full Half Full Half
110 *
111 * Default Value: 0x2F (copper); 0x20 (fiber)
112 */
hth,
Auke
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