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Solved
Port switches back to 100m
Hello, I have a problem with my switch. Every day I check portspeed on the switch. It should be 1 Gb/s but on a regular base it switches to 100M/s. The port is set to AUTO. If this is the case I ...
By IEEE it's not possible to fix a port to 1 Gb/s - auto negotiation is mandatory from 1000BASE-T and up. Some vendors work around by keeping auto negotiation but not allowing lower or different link speed negotiation. That's not the idea of the IEEE standards of course. But this explains why Netgear is IEEE complaint and does not offer fixing the link to 1 Gb/s.
Now, matter of fact your switch port and the link to the router does re-negotiate to 100 Mb/s. That much about the "The port on the Fritzbox is .. set to 1 Gb/s" obviously this isn't working the way the AVM UI does make want you believe. So start with configuring the AVM to the IEEE compliant standard Auto.
Incompatibility is relatively uncommon, but can happen. most problems are in bad network patch cables, bad connector pressing, poor wiring, incorrect pair on the plugs or the connectors. if both end show effective different automatic link speeds, some pairs behave different then others.
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And here is the second screenshot:
By IEEE it's not possible to fix a port to 1 Gb/s - auto negotiation is mandatory from 1000BASE-T and up. Some vendors work around by keeping auto negotiation but not allowing lower or different link speed negotiation. That's not the idea of the IEEE standards of course. But this explains why Netgear is IEEE complaint and does not offer fixing the link to 1 Gb/s.
Now, matter of fact your switch port and the link to the router does re-negotiate to 100 Mb/s. That much about the "The port on the Fritzbox is .. set to 1 Gb/s" obviously this isn't working the way the AVM UI does make want you believe. So start with configuring the AVM to the IEEE compliant standard Auto.
Incompatibility is relatively uncommon, but can happen. most problems are in bad network patch cables, bad connector pressing, poor wiring, incorrect pair on the plugs or the connectors. if both end show effective different automatic link speeds, some pairs behave different then others.
.
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