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Forum Discussion
csturmer
Dec 07, 2021Aspirant
RBR50 Capped LAN ports at 100mbps
For several months I have been trying to off and on to isolate a consistent capping of my LAN ports on the RBR50. I pay for 300mbps from Spectrum and consistently get 220-250 mbps over WIFI (dependi...
CrimpOn
Dec 07, 2021Guru
Are both LAN1 and LAN2 connected to office switches?
The Orbi is reporting 100/Full on both ports. Nothing will ever measure more than about 95mb/s when the Link is set to 100. That means either the cable or the ethernet port on the other end of the cable is not autonegotiating 1000/Full. https://en.wikipedia.org/wiki/Autonegotiation The Orbi cannot detect anthing but the first device on the other end of the ethernet cable, so that is the place to focus.
Is there a computer with a gigabit etherent port that can be cabled directly to the Orbi?
csturmer
Dec 07, 2021Aspirant
I have three computers hooked to the switch fed by orbi and they all get capped at 100mbps. I have also eliminated the switch and still get capped so its not the switch. It is really unlikely that all three adapters have autonegotiation issues, they all use Intel integrated adpaters with the latest drivers. I have verified my cabling works by testing each component, including the switch, by wiring directly to the cable modem. In this scenario i get the expected speeds. So i can only deduce the orbi is the culprit. There only two LAN ports being used, one feeding the office switch and other feeds a network extender. I have tested with one and not the other, and each of the available ports. Same cap. I am using only cat 6 and cat7 cabling and already did replace all patch cabling per netgear supports recommendation.
- CrimpOnDec 07, 2021Guru
I would be tempted to get a flashlight and look closely at the ethernet jacks on the Orbi router.
100base-T requires two pairs of wire.
1000base-T requires four pairs of wire.
I know that this is rare, but I have seen instances where one of the tiny wires inside an ethernet jack is bent and is not making contact. If one wire in a jack does not connect, it cannot possible support 1000base-T.
- csturmerDec 08, 2021AspirantBut i have tried each of the orbi ports and they all get capped at the 100mbps level seemingly because it's aLAN connection. If it's unlikely for one port to have a bent pin how likely is it that all of them do?
- CrimpOnDec 08, 2021Guru
csturmer wrote:
But i have tried each of the orbi ports and they all get capped at the 100mbps level seemingly because it's a LAN connection. If it's unlikely for one port to have a bent pin how likely is it that all of them do?Once you look at the jacks and verify that no pins are bent, then the conclusion is, "this thing has gone whacko." Since two Factory Resets have not restored gigabit capability, I'd say the device is broken.