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Forum Discussion
Daisy chain wireless backhaul performance (RBK753)
I recently bought an Orbi RBK753 system and set it up in a daisy chain configuration. I have my modem at one end of the house on the upper floor, therefore placed the router next to it, then kept one...
a few issues to clear up.
the 2400mbps is link speed, not actual throughput. throughput tends to be roughly 55-65% of link speed.
another thing to keep in mind is that 5ghz speeds drops of quickly with distance. Plus it doesn't pass through materials as well as 2.4ghz.
So if you're starting at the 2400mbps - 65/55% you get roughly 1300-1500mbps actual throughput speed. but thats going to be at close range. With distance/interference/obstructions, it can drop off quickly. Thats why there's multiple satellites, to account for distance/obstructions/interference.
Thanks for clarifying the link speed and actual throughput, so I guess that means the best I can expect between the router and the last satellite is around 650~750Mbps i.e: (1300~1500) / 2 because the middle satellite has to communicate concurrently with both the router and the other satellite when daisy-chained.
As I have indicated earlier I can get 900Mbps (actual OpenSpeedTest test result) between the router and the middle satellite (~25feet apart through a couple of walls) and also between the middle satellite and the last one (~25feet apart through a couple of walls and the floor). All speed tests were done with computers wired into each unit. So if the middle router can communicate with both ends at 900Mbps then shouldn’t it be able to pass the data from one end to the other end at the maximum throughput (i.e: 650~750Mbps) ? I guess 500Mbps is not too far off, but still..
You will see some performance loss with a daisy chain setup at the end of the chain. Not nearly as bad as you would using standard extenders because of the dedicated backhaul but it does cause a little loss of speed and increased latency. Its why so many places hardwire in their access points.
But 500+mbps is still going to be more than most devices can use or even receive because the fronthaul is only a 1200mbps link speed fronthaul.
What is the size of your home? Sq Ft?
What is the distance between the router and 📡 satellite(s)
plemans wrote:
You will see some performance loss with a daisy chain setup at the end of the chain. Not nearly as bad as you would using standard extenders because of the dedicated backhaul but it does cause a little loss of speed and increased latency. Its why so many places hardwire in their access points.
But 500+mbps is still going to be more than most devices can use or even receive because the fronthaul is only a 1200mbps link speed fronthaul.
FURRYe38 wrote:What is the size of your home? Sq Ft?
What is the distance between the router and 📡 satellite(s)~3500Sq Ft
Router to first satellite is around 25~30ft, with two walls in between
First satellite to the 2nd one is another 25~30ft around 2 walls and a floor in between.
Router and two satellites are placed exactly where I want them, almost in line with one another for optimal daisy-chain performance.
plemans wrote:You will see some performance loss with a daisy chain setup at the end of the chain. Not nearly as bad as you would using standard extenders because of the dedicated backhaul but it does cause a little loss of speed and increased latency. Its why so many places hardwire in their access points.
Unfortunately installing new cabling to the ground floor is quite difficult and expensive, which is why opted to get a mesh system. But I may be able to link the router and the middle satellite on the top floor with a cable, but not the other satellite on the lower floor. This begs the question: can I hardwire the router and middle satellite and then wirelessly daisy chain the other one ?
plemans wrote:But 500+mbps is still going to be more than most devices can use or even receive because the fronthaul is only a 1200mbps link speed fronthaul.
I just did a speed test on my phone which is connected to the last satellite over WiFi 6 and got 887Mbps / 844Mbps from the OpenSpeedTest server running on a PC connected to the middle satellite. That is 73% of 1200Mbps.
Anyhow, I'm more interested in the backhaul speed because I have wired a few devices to the satellites, and getting a 1Gbps internet connection soon.
