AX1800 WAN only 100Mbps
Hello. I have a problem with my AX1800. The WAN only connects at 100Mbps. After disabling autonegotiation and setting it to 1000Mbps, it still connects at 100Mbps. I've tested the other LAN ports (1-4) and they work fine and negotiate a 1000Mbps connection. I've downgraded to firmware 1 and it didn't help. I've also updated to the latest firmware, and the same thing happens. I've reset it to factory settings several times. I'm out of ideas.
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If the WAN port is not faulty, this usually comes down to a bad cabling. Use a brand new CAT 5E cable (the one from the router kit preferably).
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Yes, I'm using the original cable 5e from the kit. With the same cable, all LAN ports run at 1000Mbps and the WAN at 100Mbps. So, is that the cable's fault? Nonsense.
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I'm using a fully working Archer C6 v2.0
C6 LAN -> AX1800 WAN.
First, I connected the fiber media converter to AX1800 WAN but the same only 100Mbps.
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Despite the fact that Archer C6 is a gigabit router as well, try another CAT5E cable and check if there's any difference.
I would also try another LAN port on the Archer C6. If that doesn't work either, contact your local support for further assistance on that matter.
Here are some troubleshooting step related to this kind of issues.
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