Sudden Wireless Speed Drop on MR31 – Only 40-50 Mbps Despite 1Gbps Uplink

[ITSolutions]

Hi Meraki Community,

I’m facing a strange issue with my Meraki MR31 access point. Everything was working perfectly until about 3 days ago. Now, wireless clients connected to the MR31 are only getting 40–50 Mbps on speed tests, whereas previously the speeds were significantly higher.

Here are the key points:

• The MR31 is connected to the switch with a 1 Gbps uplink (verified and stable).

• No configuration changes have been made on the Meraki dashboard or controller recently.

• No traffic shaping rules are applied.

• No channel overlap is present — channels have been auto-optimized and manually checked.

• Devices are connecting with good signal strength.

• When the same client is connected to a Unifi access point in the same area, it gets around 300 Mbps, confirming that the issue is not with the client device or internet backend.

• This issue started suddenly around 3 days ago — everything was working fine before that.

I’ve tried rebooting the access point and checking event logs, but haven’t found anything unusual.

Can anyone help me troubleshoot this? Could it be hardware degradation, interference, or something else I might have missed?

Thanks in advance for your support.

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[cmr]

@ITSolutions what type of SSID do you have set up, bridge mode etc.?  What model of AP is it?  What firmware version are you running?

[BaskaranGanesan]

If the user is connecting to 2.4 or 5 GHz, check the Channel configuration in the RF profile. If you're using 5 GHZ, configure with 80 channels. If you have a wider channel, you will get more throughput.