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Forum Discussion
Orbi Satellite Slowdown
I continue to have problems with one Orbi satellite that after two-three days of use slows it's throughput dramatically. I can normally connect and get a full 300 Mpbs connection via the satellite, ...
The issue has occurred on all radio channels as one of my early troubleshooting steps was to try different channels. The affected devices are all connected on the 5ghz band. I do have a few devices connecting on the 2.4ghz band but I am less concerned about the speed of those and therefore haven't checked if they are affected in any way.
Currently I have the 5ghz channel set to 36 and the 2.4ghz channel set to 01. In the past I have set 2.4ghz to auto as well as 06 and 11. I have also tried the 5ghz channel 40. When the slowdown occurs I have double checked what the client and what the orbi router report and they both state that the device is connected via 5ghz. So although the speed decline would seem like it is connecting at 2.4ghz that doesn't appear to be the case.
I have one wired device. It is a mac mini. Running speed tests on that computer show that it is getting the full speed that my internet connection allows. I have also unplugged that device and it did not improve the problem for my wireless devices. The computer is set to use DHCP and so does not really have any custom configuration and is operating properly so I don't believe there is any configuration issue or hardware issue with it.
I am using Comcast cable internet for my ISP and the modem is a Motorola MB7621 DOCSIS 3.0. It is not set up as a router so I do not have a double router (nat) situation going.
The orbi is operating in Router mode. A simple restart of the Orbi fixes the issue for days and my wired device never experiences any slowdowns so there shouldn't be any issues with my cable modem.
tannertanner wrote:.......
I am using Comcast cable internet for my ISP and the modem is a Motorola MB7621 DOCSIS 3.0. It is not set up as a router so I do not have a double router (nat) situation going.
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The Motorola MB7621 supports 24 downsteam and 8 upsteam channels. I suspect that this is a capacity issue!
If you stream video from multiple devices at once, or someone in your household engages in activities like gaming or video editing then it can be that you are consuming more channels than what the modem can handle. Do you think that this applies to your case?
If this is the case then the only thing that we could try from Orbi's side -although not straigt forward- is to reduce the tcp session timeout in Orbi and see if this will improve the situation. You can also try with another modem if you have the possibility.
I don't see how this could be related to the cable modem as the one wired computer to the orbi naver has any speed issues and speed tests report my full internet speed directly on the router too. This issue only affects my wireless devices, and again once the slowness occurs it never recovers back to normal regardless of what is happening on my network, time of day etc. I have tested late at night when everyone in the house is asleep and there is close to zero traffic on the network. If the speed fluctuated based on use then I would be inclined to believe that could be the case but that's not how this issue manifests.
tannertanner wrote:....... as the one wired computer to the orbi naver has any speed issues and speed tests report my full internet speed directly on the router too. .......
- Can it be that this wired coputer is the device which is occupying all the channels? :) Setting up all the sessions and not releasing them? This is just a theory but if you say that you disconnected the computer and the issue happened after restarting Orbi without this computer being connected to your system then this theory is not applicable here.
- Another question, does the issue only affect wireless devices attached to the Satellite or also those attached to the Router?
I have not tried restarting the orbi and leaving the computer unplugged so I could test that scenario. When I have unplugged the computer it was just briefly to see if it was interferring. I'm doubtfull that is the issue but I can certainly leave the wired computer unplugged and see (or connect via wifi instead of wired).
I believe the issue affects both the router and the satellite but I don't remember if I tested connected to the satellite specifically. I will test for that but I know it does affect the router for sure.