Trouble with continuous link changes on the WAN port

pep3ts pep3ts at gmail.com
Tue Aug 4 09:44:17 EDT 2020 

Hi,

I have a TP-Link TL-WR841N v13 with OpenWrt 19.07.3 connected to a HP 
switch trough the WAN port.
Very often there is the following trouble:


Tue Aug  4 14:35:52 2020 kern.info kernel: [ 5603.569886] rt3050-esw 
10110000.esw: link changed 0x10
Tue Aug  4 14:35:54 2020 kern.info kernel: [ 5605.242987] rt3050-esw 
10110000.esw: link changed 0x11
Tue Aug  4 14:35:54 2020 kern.info kernel: [ 5606.026566] rt3050-esw 
10110000.esw: link changed 0x10
Tue Aug  4 14:35:56 2020 kern.info kernel: [ 5607.928938] rt3050-esw 
10110000.esw: link changed 0x11
Tue Aug  4 14:35:58 2020 kern.info kernel: [ 5609.562730] rt3050-esw 
10110000.esw: link changed 0x11
Tue Aug  4 14:36:30 2020 kern.info kernel: [ 5641.559235] rt3050-esw 
10110000.esw: link changed 0x10
Tue Aug  4 14:36:32 2020 kern.info kernel: [ 5643.224169] rt3050-esw 
10110000.esw: link changed 0x11
Tue Aug  4 14:36:33 2020 kern.info kernel: [ 5644.300661] rt3050-esw 
10110000.esw: link changed 0x10
Tue Aug  4 14:36:34 2020 kern.info kernel: [ 5645.995625] rt3050-esw 
10110000.esw: link changed 0x11
Tue Aug  4 14:36:36 2020 kern.info kernel: [ 5647.297871] rt3050-esw 
10110000.esw: link changed 0x10
Tue Aug  4 14:36:37 2020 kern.info kernel: [ 5648.979818] rt3050-esw 
10110000.esw: link changed 0x11
Tue Aug  4 14:36:37 2020 kern.info kernel: [ 5649.044793] rt3050-esw 
10110000.esw: link changed 0x10
Tue Aug  4 14:36:41 2020 kern.info kernel: [ 5653.085291] rt3050-esw 
10110000.esw: link changed 0x11
Tue Aug  4 14:36:44 2020 kern.info kernel: [ 5656.024048] rt3050-esw 
10110000.esw: link changed 0x10
Tue Aug  4 14:36:46 2020 kern.info kernel: [ 5657.865833] rt3050-esw 
10110000.esw: link changed 0x11
Tue Aug  4 14:36:46 2020 kern.info kernel: [ 5658.021050] rt3050-esw 
10110000.esw: link changed 0x10
Tue Aug  4 14:36:48 2020 kern.info kernel: [ 5659.763305] rt3050-esw 
10110000.esw: link changed 0x11
Tue Aug  4 14:36:50 2020 kern.info kernel: [ 5661.419369] rt3050-esw 
10110000.esw: link changed 0x11
Tue Aug  4 14:36:50 2020 kern.info kernel: [ 5661.571592] rt3050-esw 
10110000.esw: link changed 0x10
Tue Aug  4 14:36:52 2020 kern.info kernel: [ 5663.319914] rt3050-esw 
10110000.esw: link changed 0x11
Tue Aug  4 14:36:52 2020 kern.info kernel: [ 5663.479754] rt3050-esw 
10110000.esw: link changed 0x10
Tue Aug  4 14:36:56 2020 kern.info kernel: [ 5667.610474] rt3050-esw 
10110000.esw: link changed 0x11
Tue Aug  4 14:37:09 2020 kern.info kernel: [ 5681.086312] rt3050-esw 
10110000.esw: link changed 0x10
Tue Aug  4 14:37:14 2020 kern.info kernel: [ 5685.286249] rt3050-esw 
10110000.esw: link changed 0x11
Tue Aug  4 14:39:36 2020 kern.info kernel: [ 5827.592833] rt3050-esw 
10110000.esw: link changed 0x10
Tue Aug  4 14:39:38 2020 kern.info kernel: [ 5829.192294] rt3050-esw 
10110000.esw: link changed 0x11
Tue Aug  4 14:44:26 2020 kern.info kernel: [ 6117.927355] rt3050-esw 
10110000.esw: link changed 0x10
Tue Aug  4 14:44:28 2020 kern.info kernel: [ 6119.554914] rt3050-esw 
10110000.esw: link changed 0x11
Tue Aug  4 14:44:37 2020 kern.info kernel: [ 6128.452988] rt3050-esw 
10110000.esw: link changed 0x10
Tue Aug  4 14:44:38 2020 kern.info kernel: [ 6130.132320] rt3050-esw 
10110000.esw: link changed 0x11
Tue Aug  4 14:45:01 2020 kern.info kernel: [ 6152.344435] rt3050-esw 
10110000.esw: link changed 0x10
Tue Aug  4 14:45:02 2020 kern.info kernel: [ 6153.991008] rt3050-esw 
10110000.esw: link changed 0x11
Tue Aug  4 14:45:02 2020 kern.info kernel: [ 6154.040795] rt3050-esw 
10110000.esw: link changed 0x10
Tue Aug  4 14:45:04 2020 kern.info kernel: [ 6155.677027] rt3050-esw 
10110000.esw: link changed 0x11
Tue Aug  4 14:45:08 2020 kern.info kernel: [ 6159.691580] rt3050-esw 
10110000.esw: link changed 0x10
Tue Aug  4 14:45:10 2020 kern.info kernel: [ 6161.320033] rt3050-esw 
10110000.esw: link changed 0x11
Tue Aug  4 14:45:18 2020 kern.info kernel: [ 6169.735283] rt3050-esw 
10110000.esw: link changed 0x10
Tue Aug  4 14:45:20 2020 kern.info kernel: [ 6171.424353] rt3050-esw 
10110000.esw: link changed 0x11
Tue Aug  4 14:57:44 2020 kern.info kernel: [ 6916.159492] rt3050-esw 
10110000.esw: link changed 0x10
Tue Aug  4 14:57:46 2020 kern.info kernel: [ 6917.781587] rt3050-esw 
10110000.esw: link changed 0x11
Tue Aug  4 14:58:23 2020 kern.info kernel: [ 6955.072411] rt3050-esw 
10110000.esw: link changed 0x10
Tue Aug  4 14:58:27 2020 kern.info kernel: [ 6959.163475] rt3050-esw 
10110000.esw: link changed 0x11
Tue Aug  4 14:59:05 2020 kern.info kernel: [ 6996.673298] rt3050-esw 
10110000.esw: link changed 0x10
Tue Aug  4 14:59:07 2020 kern.info kernel: [ 6998.362964] rt3050-esw 
10110000.esw: link changed 0x11
Tue Aug  4 14:59:07 2020 kern.info kernel: [ 6998.775681] rt3050-esw 
10110000.esw: link changed 0x10
Tue Aug  4 14:59:09 2020 kern.info kernel: [ 7000.472146] rt3050-esw 
10110000.esw: link changed 0x11
Tue Aug  4 14:59:09 2020 kern.info kernel: [ 7000.488117] rt3050-esw 
10110000.esw: link changed 0x10
Tue Aug  4 14:59:10 2020 kern.info kernel: [ 7002.153301] rt3050-esw 
10110000.esw: link changed 0x11
Tue Aug  4 15:00:54 2020 kern.info kernel: [ 7105.610639] rt3050-esw 
10110000.esw: link changed 0x10
Tue Aug  4 15:00:56 2020 kern.info kernel: [ 7107.286354] rt3050-esw 
10110000.esw: link changed 0x11
Tue Aug  4 15:02:23 2020 kern.info kernel: [ 7194.638109] rt3050-esw 
10110000.esw: link changed 0x10
Tue Aug  4 15:02:25 2020 kern.info kernel: [ 7196.271442] rt3050-esw 
10110000.esw: link changed 0x11
Tue Aug  4 15:03:31 2020 kern.info kernel: [ 7262.418899] rt3050-esw 
10110000.esw: link changed 0x10
Tue Aug  4 15:03:32 2020 kern.info kernel: [ 7264.040271] rt3050-esw 
10110000.esw: link changed 0x11
Tue Aug  4 15:04:05 2020 kern.info kernel: [ 7296.316189] rt3050-esw 
10110000.esw: link changed 0x10
Tue Aug  4 15:04:06 2020 kern.info kernel: [ 7297.956686] rt3050-esw 
10110000.esw: link changed 0x11
Tue Aug  4 15:07:41 2020 kern.info kernel: [ 7512.465346] rt3050-esw 
10110000.esw: link changed 0x10
Tue Aug  4 15:07:42 2020 kern.info kernel: [ 7514.107722] rt3050-esw 
10110000.esw: link changed 0x11
Tue Aug  4 15:07:49 2020 kern.info kernel: [ 7520.428959] rt3050-esw 
10110000.esw: link changed 0x10
Tue Aug  4 15:07:50 2020 kern.info kernel: [ 7522.111308] rt3050-esw 
10110000.esw: link changed 0x11

Cables are ok..... changing the port on the switch does not change 
anything... any idea?

Thanks in advance for any help!!
p

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