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no clients connected but 100s of MB of traffic per day

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no clients connected but 100s of MB of traffic per day

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
no clients connected but 100s of MB of traffic per day
no clients connected but 100s of MB of traffic per day
2020-08-24 20:43:16 - last edited 2020-08-24 20:44:22

Setup: Omada SDN controller 4.1.5, 2 EAP245v3 + 1 EAP225 Outdoor

 

 

Currently, no clients are active, yet I see quite some traffic on the EAPs

 

Example: Uptime 2 days 12:38:28

2,4 Ghz:
 
Rx Packets :
4351823
Rx Bytes :
1.08 GB

 

Tx Packets :
2178185

 

Tx Bytes :
537.76 MB

 

On 5 Ghz I have 0 traffic (as expected).

 

Why is there so much traffic on the 2.4Ghz radio when no clients are connected?

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#1
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Re:no clients connected but 100s of MB of traffic per day
2020-08-25 05:33:29

Dear @ASCII,

 

Do you have portal configured on the EAPs?

Do you check the log to confirm there is no clients connected within two days?

Could you please post the screenshot of traffic page?

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#2
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Re:no clients connected but 100s of MB of traffic per day
2020-08-25 07:00:03

@Yannie No portal configured on the EAPs, logs checked, no client connected within the last couple of days.

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#3
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Re:no clients connected but 100s of MB of traffic per day
2020-08-25 07:06:02

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#4
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Re:no clients connected but 100s of MB of traffic per day
2020-08-25 15:41:40

After I turned off 2.4 Ghz in my wireless network, it looks like this. I guess you can spot the configuration change.

 

 

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#5
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Re:no clients connected but 100s of MB of traffic per day
2020-08-26 06:45:27

@ASCII 

Hi,

the boradcast diagram not only shows the traffic from or to the clients. It also shows packets (ssid, beacon...) which are sent by oterh ap's in reach(for example ap's in the neighbourhood) and clients (that are connectet to other aps). And it shows traffic sent from the eap, for example the ssid and beacons.

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#6
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Re:no clients connected but 100s of MB of traffic per day
2020-08-27 04:10:36

@ASCII 

 

From the screenshot, 2.4G has 10% Utilized while 5G has 0, which seems to be the traffic generated. 

 

Here I would like to quote from @R1D2, "Channel Utilization includes any WiFi packet flowing around, not only from your clients, but also from any AP nearby."

 

 

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#7
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Re:no clients connected but 100s of MB of traffic per day
2020-08-27 08:02:36 - last edited 2020-08-27 08:12:09

Hi Yannie,

 

yes, AFAIK channel utilization includes overall traffic even from other APs/clients. But what still puzzles me is that the 5 GHz radio has 0 bytes traffic (not utilization, but traffic sent/received from/by the EAP itself). I'm still testing whether the 5 GHz band at my location has really no traffic. I would have expected some traffic caused by sending the beacon at least, but it seems that management frames don't count as traffic (or there is a bug in the controller software).

 

Maybe @Fae can enlighten us why the traffic counters for the 2.4 GHz radio show traffic even if no client is connected, while the traffic counters for the 5 GHz radio does not show any traffic?

 

And while we're at it: this is the type of information I'm missing from TP-Link's Omada Controller User Guide: it would be very helpful to know the exact type of traffic shown as Utilization, Rx, Tx and so on.

 

In my opinion it's not enough to document in the User Guide what button will enable which function (this is pretty obvious, isn't it?). I would like to read more details about the side-effects a setting has, when to use it and when to avoid it.

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#8
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