Re: Intel 82541GI NIC comes up at 10mbps on one port

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Sam Varshavchik wrote:
> Mikkel L. Ellertson writes:
>> Try using ethtoolto lock the port to 100 Mbs Full Duplex. It is
>> probably that the two do not handshake correctly to set the faster
>> speed. If I remember correctly, that was one of the things that the
>> exact protocol was not specified, so not all hardware works correctly.
> I should've mentioned that I tried that too. By itself "speed 100" has
> no effect, and the link still comes up auto-negotiated at 10mbps.
> If I use "speed 100 autoneg off" the '100mbps' LED indicator on the
> router does come on, but the NIC is completely dead and does not respond
> to pings. Adding an explicit "duplex half" or "duplex full" to the mix
> makes no difference. I've also tried unplugging and plugging the cable
> after forcing the speed to 100. The router itself, as I mentioned, has
> no configurable knobs, just the ports and nothing else. I'm guessing
> that even after forcing the speed to 100mbps, the router wants to
> negotiate something.
> Sorting through the documentation for e1000.ko, there's a module option
> to limit advertised link speeds to 100 mbps only, that is,
> auto-negotiation remains on but the card won't advertise 10 mbps speed.
> After enabling that option, the port does not come up at all.
Well, there goes the simple fix.

I would not expect "configuration knobs" on the router. There should
be configuration web pages when you open the routers address in a
web browser. or is the default
address, if I remember right. It is in the router manual. But it
probably does not have anything to help you with your problem.


  Do not meddle in the affairs of dragons,
for thou art crunchy and taste good with Ketchup!

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