TL-WR1043ND-v4 LAN/WAN ports stop working

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TL-WR1043ND-v4 LAN/WAN ports stop working

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
TL-WR1043ND-v4 LAN/WAN ports stop working
TL-WR1043ND-v4 LAN/WAN ports stop working
2017-05-18 12:21:30
Model : TL-WR1043ND

Hardware Version : v4

Firmware Version : 160607

ISP :

I bought the router about 2 months ago, everything seems to work Ok, except one thing:
The LAN/WAN ports stop switching/routing traffic after some time (from one day uptime upto one week it occurs randomly). All LAN IP addresses are static, DHCP is turned off.
Interface freeze may depend on the traffic and number of connections handled by the device. The LAN/WAN phy links are still establised, but no traffic is forwarded on the copper ports. The device is still accessible from wifi, but the logs don't show anything extraordinary except failed pppoe connection requests after that.
Rebooting, or cold-restarting the device solves the issue temporarly.

The latest stock firmware was loaded on the router: TL-WR1043ND(EU)_V4_160607

Because of this, I installed OpenWRT, and LEDE to the device after one month, but the problem persists!

Other people with the same issue:
https://forum.lede-project.org/t/lan-stops-working-every-now-and-then/2648/21
https://github.com/freifunk-gluon/gluon/issues/1101

I really hope its not a hardware/chipset problem and can be solved by firmware/software modification.
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Re:TL-WR1043ND-v4 LAN/WAN ports stop working
2018-05-13 13:03:33
They found the solution for the problem (rx buffer stall), and it is fixed in this kernel-patch:
https://patchwork.ozlabs.org/patch/743498/

and
https://bugs.openwrt.org/index.php?do=details&task_id=762

TP-Link SHOULD apply this patch in the official firmware too, since v4 (and maybe other) devices are still affected by this bug!
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