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Orbi RBR50 Mesh Slow speeds when connected to Virgin Media Hub 5

RikParr73
Aspirant

Orbi RBR50 Mesh Slow speeds when connected to Virgin Media Hub 5

Hi all

 

Running 1 x RBR50, 2 x RBR30 and 1 x Orbi Extender. I have VM Huib 5 and 1Gbps package. RBR 50 in Router mode and Hub 5 in Modem mode. All was running fine for a month or so since upgrading until VM carried out some 'works' a few days ago. Now on any device connect by wifi via Orbi I only get max 90mbps. When I connect to the VM in router mode i get 700mbps no probs. I have put Hub in modem and router mode, same result. I have put Orbi in AP and Router mode, again same result. I'm out of ideas - can anyone help please?

 

Thanks.

 

Rik

Message 1 of 11

Accepted Solutions
FURRYe38
Guru

Re: Orbi RBR50 Mesh Slow speeds when connected to Virgin Media Hub 5

What Firmware version is currently loaded?

Be sure your using a good quality LAN cable between the modem and router. CAT6A is recommended. 

What is the connection rate seen on the RBRs web page under Advanced tab/Show Stats for the WAN port connected to the ISP modem? 100 or 1000Mbps?

 

Does this happen with the RBS turned OFF? 
Does this happen with both wireless and wired devices? 
What channel configurations are currently set on the router?  
Any Wifi Neighbors near by? If so, how many?

 

Has a power off for 1 minute then back ON with the ISP modem and router been performed since last update?
Be sure to restart your network in this sequence:
Turn off and unplug modem.
Turn off router and computers.
Plug in and turn on modem. Wait 2 minutes for it to connect.
Turn on the router and wait 2 minutes for it to connect.
Turn on computers and rest of network.

View solution in original post

Message 3 of 11

All Replies
CrimpOn
Guru

Re: Orbi RBR50 Mesh Slow speeds when connected to Virgin Media Hub 5


@RikParr73 wrote:

until VM carried out some 'works' a few days ago.


Did this VM activity involve your physical Hub 5 ?

 

Since you can connect directly to the VM Hub and get 700Mb, what happens when the same device is connected to an Orbi LAN port?

 

 

Message 2 of 11
FURRYe38
Guru

Re: Orbi RBR50 Mesh Slow speeds when connected to Virgin Media Hub 5

What Firmware version is currently loaded?

Be sure your using a good quality LAN cable between the modem and router. CAT6A is recommended. 

What is the connection rate seen on the RBRs web page under Advanced tab/Show Stats for the WAN port connected to the ISP modem? 100 or 1000Mbps?

 

Does this happen with the RBS turned OFF? 
Does this happen with both wireless and wired devices? 
What channel configurations are currently set on the router?  
Any Wifi Neighbors near by? If so, how many?

 

Has a power off for 1 minute then back ON with the ISP modem and router been performed since last update?
Be sure to restart your network in this sequence:
Turn off and unplug modem.
Turn off router and computers.
Plug in and turn on modem. Wait 2 minutes for it to connect.
Turn on the router and wait 2 minutes for it to connect.
Turn on computers and rest of network.

Message 3 of 11
RikParr73
Aspirant

Re: Orbi RBR50 Mesh Slow speeds when connected to Virgin Media Hub 5

Thanks for your reply.

 

Did this VM activity involve your physical Hub 5 ? - I suspect so as when running diagnostics on their app it said to reset the Hub 5 - Which I have done (twice). I have also reset the Orbi.

 

Since you can connect directly to the VM Hub and get 700Mb, what happens when the same device is connected to an Orbi LAN port? 

 

Ok, at the time of writing this when connecting directly to the 2.5gbps port on the back of the Hub 5 I get 383mbps. When connecting to any other port on the back of the Hub 5 I get 90mbps.

 

When connected directly to the Orbi I get 90mbps in every port (apart from the yellow internet port of course). All Wi-Fi devices will only run at 90mbps max. My external IP has changed but that doesn't affect anything i'm sure. I have port forwarding set up for my CCTV and that is the only config I have on the Orbi system that differs from standard

Message 4 of 11
CrimpOn
Guru

Re: Orbi RBR50 Mesh Slow speeds when connected to Virgin Media Hub 5

This is very strange (and not consistent with message number 1, which reported 700Mbps connected to the Hub 5).

A naive person, such as myself, would assume that contracting for 1 gigabit service would result in a speed of "very close" to 1 gigabit.  Probably higher than 700Mbps, and definitely higher than 383Mbps.

 

The WAN (yellow) port on the Orbi router is connected to which port on the Hub  5?

(Hint: if the Orbi is connected to a LAN port which produced only 90Mbps, then the Orbi would also get 90Mbps and thus anything connected to the Orbi, either wired or WiFi, would get at most 90Mbps.)

 

One easy diagnostic is to open the Orbi web interface, navigate to the Advanced Tab home page, and click on Show Statistics.  This will report the speed that the Orbi Ethernet module has negotiated with the Ethernet module on the Hub 5.  Wikipedia explains how the Ethernet hardware negotiates the maximum speed supported by both devices:

https://en.wikipedia.org/wiki/Autonegotiation 

 

What device was wired to the Hub 5 ports to measure speed?

 

Message 5 of 11
FURRYe38
Guru

Re: Orbi RBR50 Mesh Slow speeds when connected to Virgin Media Hub 5

What is the connection rate seen on the RBRs web page under Advanced tab/Show Stats for the WAN port connected to the ISP modem? 100 or 1000Mbps?

 

Your ISP Modem already has a built in router and wifi. This would be a double NAT (two router) condition which isn't recommended. https://kb.netgear.com/30186/What-is-Double-NAT
https://kb.netgear.com/30187/How-to-fix-issues-with-Double-NAT
Couple of options,
1. Configure the modem for transparent bridge or modem only mode. Then use the Orbi router in router mode. You'll need to contact the ISP for help and information in regards to the modem being bridged correctly.
2. If you can't bridge the modem, disable ALL wifi radios on the modem, configure the modems DMZ/ExposedHost or IP Pass-Through for the IP address the Orbi router gets from the modem. Then you can use the Orbi router in Router mode.
3. Or disable all wifi radios on the modem and connect the Orbi router to the modem, configure AP mode on the Orbi router. https://kb.netgear.com/31218/How-do-I-configure-my-Orbi-router-to-act-as-an-access-point and https://www.youtube.com/watch?v=H7LOcJ8GdDo&app=desktop
Try option #2 first...

Message 6 of 11
RikParr73
Aspirant

Re: Orbi RBR50 Mesh Slow speeds when connected to Virgin Media Hub 5

Hi, thanks for taking the time to reply - answers below:

 

I followed your guidance, initially was only seeing 100M on WAN port:

RikParr73_0-1701801220470.png

So I swapped the cable out and I am now getting 1000M

 

RikParr73_0-1701802557180.png

Ran speeds test via Wi-Fi and now getting the expected speeds - thanks!

 

Message 7 of 11
RikParr73
Aspirant

Re: Orbi RBR50 Mesh Slow speeds when connected to Virgin Media Hub 5

Thanks, there is an issue with my ISP in my area at the moment, hence the speeds I think - but as per my other post I have found the issue to be the cat5 cable. I'm confused as it's been working fine up until the works that took place, or unless I'm mistaken - but swapping the cable has fixed it - thanks.

Message 8 of 11
FURRYe38
Guru

Re: Orbi RBR50 Mesh Slow speeds when connected to Virgin Media Hub 5

Glad you got it working. Be sure to save off a back up configuration to file for safe keeping. Saves time if a reset is needed.
https://kb.netgear.com/000062080/How-do-I-back-up-the-configuration-settings-on-my-Orbi-WiFi-System
Enjoy. 📡

Message 9 of 11
RikParr73
Aspirant

Re: Orbi RBR50 Mesh Slow speeds when connected to Virgin Media Hub 5

That's great, thank you.
Message 10 of 11
FURRYe38
Guru

Re: Orbi RBR50 Mesh Slow speeds when connected to Virgin Media Hub 5

👍

Message 11 of 11
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