> I'm sure many including yourself would agree that switching to 10 mbit
> isn't a 'cure' - It's more like a poor / lazy man's solution to the
> problem. But it's a good temporary fix. Unfortunately, it is not
> possible for me to force 10 mbit between the two routers, as neither
> device allows me to set the ethernet ports to 10 mbit either via web
> interface config or CLI config.
I've found the same, that 100BaseT is noisy and 10BaseT is quieter.
Jim K9YC reported the opposite at some point in the past, but I don't know
what his current thinking on that issue is.
Here's what I did: I went to fiber. It's not that expensive, especially
surplus or on eBay. Fiber with ST connectors (they look like tiny BNC
connectors) is fairly cheap. I've found ten-dollar 10 MBbit PCI cards
that look exactly like copper Ethernet cards, only with a fiber transducer
instead of ethernet magnetics. I've found $40 transition boxes that go
between 10MBit or 100MBit and fiber. Stick a 10MBit one of these on your
router and the PCI Card in your computer and you have only eliminated
100MBit from your router, and achieved total galvanic isolation from your
computer to the ethernet box (note: don't do this if you are that one guy
in DC who has *more* than 10MBit from your cable provider).
You can do it with 100Mbit as well for lines between computers, or just
move to 802.11g or 802.11 "pre n" throughout the house.
Finally, if you don't want to go the fiber route but do want to force your
router or computer to negotiate 10Mbit and can't get at the software, buy
a 10 MBit hub at a garage sale and put it in between them. The devices on
either side will have no choice.
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