RT-AX92U - How can I measure the router->node (backhaul) connection speed?

[Gilad]

Hi,
Got the mesh system setup and tweaked the settings and wanted to test the master<->node connection speed.
I tried to ssh but there's no iPerf on neither one and apt-get/yum install seems to be unknown to the shell.

Any ideas/tips on how to measure the backhaul speed?

Thanks!

 

[Gilad]

Ok, found the solution:
SSH to the node and run:

iperf3 -s -D

Then SSH to the master and run:

iperf3 -c 192.168.1.249

Change the IP to the node IP of course

 

[Smokey613]

I just did this.... not sure how good my results are.


Connecting to host 192.168.2.2, port 5201
[ 4] local 192.168.2.1 port 55068 connected to 192.168.2.2 port 5201
[ ID] Interval Transfer Bandwidth Retr Cwnd
[ 4] 0.00-1.01 sec 28.3 MBytes 236 Mbits/sec 3 288 KBytes
[ 4] 1.01-2.00 sec 28.2 MBytes 237 Mbits/sec 1 253 KBytes
[ 4] 2.00-3.01 sec 28.9 MBytes 240 Mbits/sec 1 230 KBytes
[ 4] 3.01-4.01 sec 29.2 MBytes 246 Mbits/sec 0 310 KBytes
[ 4] 4.01-5.01 sec 29.0 MBytes 243 Mbits/sec 2 277 KBytes
[ 4] 5.01-6.00 sec 29.3 MBytes 249 Mbits/sec 0 348 KBytes
[ 4] 6.00-7.01 sec 29.5 MBytes 245 Mbits/sec 0 368 KBytes
[ 4] 7.01-8.01 sec 27.2 MBytes 227 Mbits/sec 14 281 KBytes
[ 4] 8.01-9.02 sec 25.5 MBytes 212 Mbits/sec 0 345 KBytes
[ 4] 9.02-10.01 sec 30.0 MBytes 253 Mbits/sec 0 368 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bandwidth Retr
[ 4] 0.00-10.01 sec 285 MBytes 239 Mbits/sec 21 sender
[ 4] 0.00-10.01 sec 283 MBytes 237 Mbits/sec receiver

 

[Gilad]

Mine are a bit higher although on a AX exclusive back-haul (which I have as it's used only for this) , I would expect higher speeds.
I get:

Connecting to host 192.168.1.249, port 5201
[ 4] local 192.168.1.1 port 46880 connected to 192.168.1.249 port 5201
[ ID] Interval Transfer Bandwidth Retr Cwnd
[ 4] 0.00-1.00 sec 66.1 MBytes 553 Mbits/sec 77 427 KBytes
[ 4] 1.00-2.01 sec 72.5 MBytes 606 Mbits/sec 7 387 KBytes
[ 4] 2.01-3.00 sec 72.7 MBytes 611 Mbits/sec 0 513 KBytes
[ 4] 3.00-4.00 sec 68.9 MBytes 578 Mbits/sec 89 238 KBytes
[ 4] 4.00-5.00 sec 56.6 MBytes 476 Mbits/sec 6 297 KBytes
[ 4] 5.00-6.00 sec 60.4 MBytes 506 Mbits/sec 17 365 KBytes
[ 4] 6.00-7.00 sec 67.0 MBytes 563 Mbits/sec 46 390 KBytes
[ 4] 7.00-8.00 sec 74.4 MBytes 622 Mbits/sec 0 518 KBytes
[ 4] 8.00-9.01 sec 73.6 MBytes 617 Mbits/sec 63 324 KBytes
[ 4] 9.01-10.00 sec 71.8 MBytes 603 Mbits/sec 0 467 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bandwidth Retr
[ 4] 0.00-10.00 sec 684 MBytes 574 Mbits/sec 305 sender
[ 4] 0.00-10.00 sec 681 MBytes 571 Mbits/sec receiver

 

[RMerlin]

Running iperf on the router itself will be bottlenecked by the router's CPU.

 

[Gilad]

So should we run
iperf3 -s (not as a deamon)
On the node and test from the master?

 

[ugandy]

So should we run
iperf3 -s (not as a deamon)
On the node and test from the master?

i think you should test between 2 clients connected to your nodes. or between client and wan

 

[Gilad]

But I aim at testing the backhaul connection speed

 

[leerees]

It will show you the backhaul PHY rate in the admin panel, providing you have a good signal just deduct overheads to get your throughput rate. Ensure there's no channel overlap and make sure the dBm is good enough and it will give stable speeds.

I never ran iperf3 as I couldn't SSH into the second node, the connection was refused

 

[thiggins]

You need two computers running iperf3. Connect one to root node LAN port, the other to the Ethernet port of the node you want to measure backhaul to.

Run iperf3 -s on one of the machines. On the other run iperf3 -c [ip address of the root node computer]. That will run a 10 second test using TCP/IP with no bandwidth limit. If you want a longer test add -t [# of seconds to test].

On the above commands [ ] are actually not entered as part of the command.

The numbers reported above actually look reasonable. How far away are the nodes from each other. What throughput are you expecting?