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Re: Xfinity 2gbps/200mbps service and expected speeds

VerneArase
Apprentice

Xfinity 2gbps/200mbps service and expected speeds

I have a RBK853, and I just upgraded my suburban Chicago service from Xfinity 1200 mbps/60 mbps to 2000 mbps/200 mbps (for a price decrease of $6/month).

 

When I speed test from the RBK850, I get 2348.21 mbps/92.99 mbps, and when I test from my office iMac connected via wifi 6 to a satellite I get about 830 mbps/83.3 mbps.

 

The mesh is using a wifi 6 backhaul with transmission power cut to 50%; are these the speeds I should be expecting?

 

For example, I'm not quite sure about that upload speed from the RBK850; it suspiciously looks like I'm being rated limited to 90 mbps (perhaps due to local loop bandwidth issues), and I'm not quite certain what kind of download speed I should be expecting at the iMac with a wifi 6 backhaul and a wifi 6 connection between my iMac and the satellite sitting 3 feet away.

 

I'm not complaining mind you - but I was expecting (perhaps unreasonably) a bigger jump in my download speed.

 

(Those speeds were all metered at 4:00 AM this morning - speeds are lower during the day when there's real traffic.)

 

-- Thanks, Verne

Message 1 of 11
FURRYe38
Guru

Re: Xfinity 2gbps/200mbps service and expected speeds

Some of that capability will be based on what your devices are designed and supported for. Depending on antenna and MIMO support, 2x2 can only do so much. 4x4 devices should see well over 1Gb. 

https://www.increasebroadbandspeed.co.uk/realistic-speeds-wi-fi-5-and-wi-fi-6
https://www.duckware.com/tech/wifi-in-the-us.html
https://support.google.com/fiber/answer/6250056#zippy=%2Cmobile-devices-wi-fi

 

Best to check speeds with a wired PC at the ISP modem first to see what's seen there. 

You'll not see much over 900Mpbs on the Orbi LAN ports due to there limits at 1000Mpbs. 

 

 

Message 2 of 11
VerneArase
Apprentice

Re: Xfinity 2gbps/200mbps service and expected speeds


@FURRYe38 wrote:

Some of that capability will be based on what your devices are designed and supported for. Depending on antenna and MIMO support, 2x2 can only do so much. 4x4 devices should see well over 1Gb. 

https://www.increasebroadbandspeed.co.uk/realistic-speeds-wi-fi-5-and-wi-fi-6
https://www.duckware.com/tech/wifi-in-the-us.html
https://support.google.com/fiber/answer/6250056#zippy=%2Cmobile-devices-wi-fi

 

Best to check speeds with a wired PC at the ISP modem first to see what's seen there. 

You'll not see much over 900Mpbs on the Orbi LAN ports due to there limits at 1000Mpbs. 


If you'll look at my speeds from the RBK850, you'll see the Orbi is getting over 2 gbps download. Also note that I'm using a wifi 6 backhaul, and I'm connected to the satellite using wifi 6.

 

I don't know what the wifi antennas are on my iMac, but do know that the wifi 6 connection to the satellite were faster than a gigabit hardwire connection from my Thunderbolt dock to my satellite's LAN port (which is why my service order prefers wifi 6).


The 10 gb ethernet port on my iMac goes to a 10 gb private network which includes a Synology DS1821+ with a 10 gb card which gives me access to NAS storage at over 900 MB/sec peak.

 

Really I'm quite satisfied with my internet speed, but was just curious as to what kind of throughput I could expect with the wifi 6 connection.

Message 3 of 11
FURRYe38
Guru

Re: Xfinity 2gbps/200mbps service and expected speeds

Based on distances of the RBR and RBS, distances between devices and RBR and RBS, and building materials and again, device design and support of it's wifi, will all play a roll in how wifi speeds end up in results. 

Message 4 of 11
VerneArase
Apprentice

Re: Xfinity 2gbps/200mbps service and expected speeds


@FURRYe38 wrote:

Based on distances of the RBR and RBS, distances between devices and RBR and RBS, and building materials and again, device design and support of it's wifi, will all play a roll in how wifi speeds end up in results. 


Well, in order to get decent connection reliability, I had to cut both 2.4 and 5 ghz transmission strength to 50% … so I guess things are working just peachy and near their theoretical limits.

 

Given the enormous costs of moving to 6e or 7 it really doesn't make sense for me to move up … though having more than 1 gbps in my mesh would make backing up/restoring the downstairs Synology more attractive when that's needed - I wouldn't need to haul the unit up and connect it to my 10 gb private network.

 

That's really rare though … so I suppose I'm in a good spot now until something catastrophic happens to my RBK853.

 

Anyone know if the 6e and 7 feature flow control?

 

When I tried hooking my 10 gb switch to my RBS850's LAN port, internet speed went downhill dramatically. I got better internet speed to my iMac going out wifi 6 or through the Thunderbolt dock's gigabit connection and using the 10 gb switch as a private data network.

Message 5 of 11
FURRYe38
Guru

Re: Xfinity 2gbps/200mbps service and expected speeds

What is the brand and model# of this 10Gb switch?

What CAT# LAN cables are you using?  

 

Message 6 of 11
VerneArase
Apprentice

Re: Xfinity 2gbps/200mbps service and expected speeds


@FURRYe38 wrote:

What is the brand and model# of this 10Gb switch?

What CAT# LAN cables are you using?  


It's a cheap 10 gb 5 port switch from TRENDNet.

 

 

Message 7 of 11
FURRYe38
Guru

Re: Xfinity 2gbps/200mbps service and expected speeds

No idea if this is a good switch or not. I'm using a NG XS505M and GS110MX when I have a 9 series online. 

Message 8 of 11
VerneArase
Apprentice

Re: Xfinity 2gbps/200mbps service and expected speeds


@FURRYe38 wrote:

No idea if this is a good switch or not. I'm using a NG XS505M and GS110MX when I have a 9 series online. 


Yeah, those are quite a bit larger (and the 10 gb unit even has a cooling fan).

 

I know the TRENDnet is functional - I can copy from the iMac to the Synology at > 900MB/sec peak (even using a SMB file share).

 

I assume your ownership of those switches mean that you run a 10 gb network segment within your infrastructure - what happens when you connect a 10 gb leg to an Orbi's LAN port?

 

Do you get the LAN port's full speed out to the internet?

 

-- Thanks, Verne

Message 9 of 11
FURRYe38
Guru

Re: Xfinity 2gbps/200mbps service and expected speeds

Yes, though my ISP doesn't have anything over 1Gb. Yet. I get to spec speeds with RBS ethernet connected. 

Message 10 of 11
BullMoon
Apprentice

Re: Xfinity 2gbps/200mbps service and expected speeds

My Xfinity plan is Download speed: up to 1200 Mbps, Upload speed: up to 200 Mbps

 

When I test from the Orbi, I get 1400+/- Down, 240+/- up.  So, that's better than advertised! 🙂 

 

When I test from a wired computer, I get 950+/- Down, 240+/- up.  The switch (Netgear GS316EP) my wired devices go through is only a 1GB switch, so that's about as good as they can do. It's not a fancy switch.

 

When I tested a WiFi device it varies obviously depending on the device and how far it is from the Orbi.  My iPhone not far from the router gets 500 +/- down, 200 +/- up...except for...

 

...sometimes when I run a SpeedTest(c) - this time from iPhone, it can cause the Orbi to reset as it did just now - thrice! (different issue that I have not had time to dig into!) This doesn't happen always, but it's certainly "a thing" I have experienced far too many times.

 

At any rate, your upload speeds look low - even over WiFi they should be closer to 200.  Why not?

 

 


@VerneArase wrote:

I have a RBK853, and I just upgraded my suburban Chicago service from Xfinity 1200 mbps/60 mbps to 2000 mbps/200 mbps (for a price decrease of $6/month).

 

When I speed test from the RBK850, I get 2348.21 mbps/92.99 mbps, and when I test from my office iMac connected via wifi 6 to a satellite I get about 830 mbps/83.3 mbps.

 

The mesh is using a wifi 6 backhaul with transmission power cut to 50%; are these the speeds I should be expecting?

 

For example, I'm not quite sure about that upload speed from the RBK850; it suspiciously looks like I'm being rated limited to 90 mbps (perhaps due to local loop bandwidth issues), and I'm not quite certain what kind of download speed I should be expecting at the iMac with a wifi 6 backhaul and a wifi 6 connection between my iMac and the satellite sitting 3 feet away.

 

I'm not complaining mind you - but I was expecting (perhaps unreasonably) a bigger jump in my download speed.

 

(Those speeds were all metered at 4:00 AM this morning - speeds are lower during the day when there's real traffic.)

 

-- Thanks, Verne


 

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