WLC wireless 5G transfer very low

[superman.do]

I has testing laptop connect wireless 802.11ac and transfer file is at speed very low 10-20M.

How can i check that issue?

[marce1000]

 - Depends,  are there many other users and or traffic on the AP (e.g.) ?

  M.

[superman.do]

Hi marce

There AP is 2-4 user, but i have in my lab testing only one user same status.

[Rasika Nayanajith]

Use iPerf and see what is the upload/download speed you get with some internal server.(see below)

https://mrncciew.com/2014/08/08/how-fast-is-your-network-iperf/

Here are the different device capability (data rates depend on channel width, spatial streams supported & guard interval). Also make sure SSID is configured with WPA2/AES & WMM is enabled.

https://clients.mikealbano.com/

As a starting point see what RSSI/SNR client getting & check your client capabilty

HTH

Rasika

*** Pls rate all useful responses ***

[superman.do]

Hi Rasika

I has testing use iperf tool, you can see the attached file.

10.58.86.200 is take server and 10.58.77.7 is client measure upload.

10.58.77.7 is take server and 10.58.86.200 is server measure download.

Can you please help to confirm that speed very slow issue?

How can i offer another information for refer.

[patoberli]

Which exact adapter model?

Current driver installed?

What is the connection speed that is shown on the client? And what is shown on the WLC/AP?

[superman.do]

Hi Patoberli

Laptop use ASUSPRO Win10.

Driver is Intel(R) Wireless-AC 9260.

Client use cifs transfer file speed at 15M, How can i offer you want to WLC/AP info?

Can be tell detail for my collect.

[patoberli]

Please use two clients, connected to the same VLAN. One wireless and the other wired. Then use the free software iperf to do measurements and please post the results.
15 MB is around 150 Mbit/s, that is good, if you use a 20 or 40 MHz channel on the AP.
As @Rasika wrote, please post the netsh show wlan interface, that will show the connection rate of the client.

[Rasika Nayanajith]

I can see 200+ Mbps & 100+ Mbps in either direction. That is a good throughput for a client in wireless cell. How many devices in your AP when you did this test ?

If you can get "netsh show wlan interface" from your client command prompt, that should give an good indication of data rates it supported with given WiFi connection.

Note that application throughput is always less than data rates (typically 40-60%). You get best throughput when there is a single client in the wireless cell

HTH

Rasika

*** Pls rate all useful responses ***

[superman.do]

Hi Rasika

There testing is two AP connect to WLAN.

How to get "netsh show wlan interface" command, can you tell me detail step?

[patoberli]

If it is a Windows client, open a cmd and enter that command.