On Wednesday 15 November 2006 15:34, Whisper wrote:
> --
> [ Picked text/plain from multipart/alternative ]
> Good call Gary
>
> Both the Switch and the NIC need to have duplex set to Auto or both forced
> to duplex. It is a myth that you can set the switch the Duplex and the NIC
> set to auto will pick up on the connection being full duplex.
>
> Speed is the same, but can result in no link at all, depending upon the
> setup

Moreover ethernet link negotiation doesn't count link quality as a factor. It
only negotiates capabilities of interfaces. If you have bad cables then you
have to manually lower advertised link types.

Linux tools are mii-tool (older) and ethtool.

About duplex. To be 100% precise if you set fixed speed and half-duplex(*) on
the one end and autonegotiation on the other end link will work at designated
speed and half-duplex without problems.

(*)There is no half duplex in 1Gb ethernet.

--
mariuszZIELIŃSKI

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