Throughput when MLO is enabled

Aditi · November 7

Hello,
I’m currently testing the Zyxel WBE660S with MLO enabled using iPerf3, but the throughput is significantly lower than expected, reaching only about 350 Mbps. My test setup includes a PC connected to the access point via Ethernet and a Dell XPS (with MLO support) connected over Wi-Fi.

Zyxel_Melen · November 7

Hi @Aditi,

We used a Linux server (Intel i7) (1G link) and a PC with WiFi 7 adaptor to test iperf as your topology and we got this result:

Linux server:

PC with WiFi 7 adaptor:

The bottleneck is more likely on one of your PC.

Zyxel_Melen · November 7

Hi @Aditi,

We used a Linux server (Intel i7) (1G link) and a PC with WiFi 7 adaptor to test iperf as your topology and we got this result:

Linux server:

PC with WiFi 7 adaptor:

The bottleneck is more likely on one of your PC.

BenHead · November 8

I was seeing similar throughput due to what turned out to be a poorly connected antenna wire. ~350 Mbps before it was fixed, consistently over 2 Gbps and often over 3 Gbps after fixing it. Dell Alienware x15 R1 with an Intel Killer BE1750. Obviously can't be sure that's your problem, but may be worth checking.

Aditi · November 13

Hello,

I received approx 1G when MLO enabled. I was atleast expecting around 4-5G. Is there a way to I can achieve more throughput?

Thank you in advance.

Aditi · November 13

https://community.zyxel.com/en/discussion/comment/71570#Comment_71570

Hello Ben,

this is my setup. I am running an iperf test. I am not sure about the antenna you mentioned.

Zyxel_Melen · November 15

Hi @Aditi,

As we communicate on Nebula Live Chat, the reason you only have the 1G throughput result is that you connect your desktop to the LAN port of WBE660S, which is a 1G port. It is recommended to have a switch that supports 10G so you can connect the WBE660S and the desktop to the 10G ports and test the maximum performance of the WBE660S.

The first suggestion is XS1930-12HP. With this PoE switch, you can directly connect your WBE660S without connecting an additional power cable.

https://www.zyxel.com/global/en/products/switch/10-12-port-10g-multi-gigabit-lite-l3-smart-managed-switch-xs1930-series

The second suggestion is XGS1250-12, which supports three 10G copper ports and one 10G SFP+ port. In addition, this switch doesn't support PoE, so the WBE660S needs to connect an additional power cable.

https://www.zyxel.com/global/en/products/switch/12-port-web-managed-multi-gigabit-switch-includes-3-port-10g-and-1-port-10g-sfp-xgs1250-12

Throughput when MLO is enabled

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