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Forum Discussion
RBE871 slow speed
Hi All, just installed my brand new RBE871 and I’m getting a constant 94MB download/upload speed. If I connect my laptop to the ethernet port of the wall I get 850MB download. I have a main r...
It shows 100M/Full. I restarted the 871 and went to 1000M - immediately the download speed went to 960Mb via WiFi (both on my MacBook and my iPhone 13). Was so happy.
Unfortunately the day after, WAN shows again 100M/Full - and the wifi speed is back limited to 93Mb.
Ethernet hardware has a built-in feature called Autonegotiation (https://en.wikipedia.org/wiki/Autonegotiation) The Show Statistics box reports the speed that the Ethernet hardware on the Fritzbox and the Orbi WAN port have determined to be the maximum speed that the link can support. What this suggests is "something is wrong" with the cable pathway between the Fritzbox and the Orbi WAN port. This is often a problem with the termination of one of the RJ45 jacks or RJ45 plugs. Perhaps something is loose and although it made good contact when first connected, it moves a bit over time. There are 8 wires in an Ethernet connection. If even one wire loses contact, it is impossible to get 1000M/Full.
When the link has been negotiated to 100M/Full, it is impossible to get a speed higher than about 94Mbps. No "settings". The only solution is to get the connection to be 1000M/Full.
I bought a 100ft. Ethernet cable from Amazon for under $20US for just such situations. Stringing it through the house from Fritzbox to Orbi should result in 100M/Full that stays as long as the cable is connected. (and the family does not revolt) Finding the fault can be a nightmare. But if the temporary cable works and the existing wiring does not......