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Forum Discussion
SBstomper2
Jul 29, 2024Aspirant
RBR 850
I have an Orbi 850 mesh and for some reason its only producing 90 to 100 mbps wifi and when I hook up a pc directly to the ethernet cable coming from the modem I am getting 750 to 1000mbps. I have d...
SBstomper2
Jul 29, 2024Aspirant
I turned off the polling and still the same not sure the issue.
plemans
Jul 29, 2024Guru - Experienced User
SBstomper2 wrote:
I turned off the polling and still the same not sure the issue.
I have no idea what you mean with this comment.
- SBstomper2Jul 31, 2024Aspirant
I was able to get to the screen in the for statistics and I see where its only showing wan as 100M Full
I have contacted my provider multiple times.
Is there a setting that changed or is that showing the speed from the provider?
- CrimpOnJul 31, 2024Guru - Experienced User
This is not a setting.
When two Ethernet interfaces are connected with a cable, the electronics built into the interfaces determine the highest speed that both interfaces support, in a process known at auto-negotiation:
https://en.wikipedia.org/wiki/Autonegotiation
There are options on some computers to constrain the Ethernet interface to use only certain speeds, but most users are not aware of them and would not choose to do so even if they were.
Thus, the Internet Service Provider (ISP) device and the RBR850 have determined that 100M/Full Duplex is the highest speed that they both support.
Most of the time, this is due to a problem with the Ethernet connection, such as
- The cable itself does not support a higher speed
- There is a problem with the crimp on one or more of the RJ45 plugs
- There is a problem with one or more of the RJ45 jacks, such as one of those tiny gold wires being bent or not making a good connection.
The easiest way forward is to unplug the cable, visually inspect the RJ45 jacks on each device, and swap in a different Ethernet cable.
The length of this cable is so short that almost any modern Ethernet cable will work (Cat5E, Cat6, etc.) There is no harm in purchasing an Ethernet cable with "out of this world" capability. Your choice.
- SBstomper2Jul 31, 2024Aspirant
I appreciate your response as this all started with a major power outage and ever since the speed has been terrible. I believe this is from as issue with one of there switches or transfer locations. I have tried multiple cables they even switched the modem and still same. I guess I will keep calling until it is corrected.