The right pin being bent on one end or the others port would cause 100mbit if the pin that is damaged is not one of the 2 pairs 100mbit needs.
On Tue, Feb 4, 2020 at 3:18 PM Patrick O'Callaghan pocallaghan@gmail.com wrote:
On Tue, 2020-02-04 at 12:46 -0600, Roger Heflin wrote:
The only other way I know to change the speed is with ethtool and/or setting something in the bios for the specific network card (see during post). I don't think gigabyte puts in the the normal bios, but I seem to remember there being 2-3 settings in the network card bios including a cable length detect option and 2 other options which may let one limit speed.
I haven't looked at the BIOS but I'll check it out.
You said it is a managed switch, you do have the switch set to auto right? If the switch is hard set and the node is auto the standard says the auto guy will default to 100/half I think (maybe 100full), but certainly not Gbit anything. Both ends *MUST* be set exactly the same for it to work, auto with anything other than auto will act badly.
I didn't say it was a managed switch. It's a basic home router called a Fritz!Box 7530. Its management console says that the 4 LAN ports are configured to allow 1Gbps but my desktop is connected at 100Mbps. Ironically, my 10-year old NAS box is connected at 1Gbps.
auto/auto is what you want, It has been 15+ years since I have seen any combination that actually needed to be hard set to work right.
Same here. I just leave it alone. I don't think the router end even allows you to set the speed (i.e. the setting it has is a cap).
poc
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