Accepted WAN/LAN auto-sensing
Background:
There is a typical network topology:

Some users might notice that, once the internet service fails, they are no longer able to access the NAS server from the local network.
The cause of this Phenomenon:
When internet service went down and the cable modem failed to provide an IP address for Main Deco, both Ethernet ports on the main Deco would work as WAN ports to detect internet connection. NAS would no longer obtain an IP address from Deco.
Why do we use WAN/LAN auto-sensing on Deco?
For the Deco Mesh system, normally, it would have more than 2 units, and each unit has at least 2 Ethernet ports; It would be time-consuming and confusing to find out which port should be connected to the ISP modem. And supposing that the WAN port is fixed, once this port is broken, the whole Mesh kit would be useless.
Recommended Solutions:
- Given that the issue arises only when the ISP modem fails to assign an IP address for the main Deco, once the cable modem recovers, the problem should be resolved. It is suggested to contact the ISP to restore the modem connection as a priority.
- The current workaround would be connecting the wired servers to the satellite Deco units instead of the main one.
- And we have also implemented enhancements on certain models, ensuring that the WAN port remains constant as long as the physical Ethernet connection between the modem and main Deco is unchanged, even when there is no internet service from the modem. Moreover, it is also planned to support manually fixing a specific Ethernet port as the WAN post on the Deco APP later.
The following models already support fixing the WAN port:
| Deco X80-5G Deco X50-5G Deco X20-4G Deco X50/X55_V1/V1.2 Deco X20/X60_V4 Deco X60_V3/3.2/V4.2 |
1.11.0 Firmware Platform Understand the Differences Among Deco Firmware Platforms
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It should be a setting, just hide it under that advanced section and everyone will be happy
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@pgour even an acknowledgement from Tp-link would be good.
I've emailed their uk MD (found through LinkedIn) as well as trying to open a case and have had zero response from any route. Not even an automated answer!
I feel misused at this point - they took my money for products that contained an inherent defect and won't do anything to support their customers.
notnsurenwhst next steps we can take. Any ideas?
pgour wrote
still waiting for an upgrade. not fixed yet
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@pgour agreed. Would be nice if they can could provide the solution to manually specify LAN vs WAN ports. So far mine has still been working since I followed the method to plug back in one at a time. But I do not want to do this everytime I encounter issues. @TP Link I cannot recommend any of your products due to the lack of support. I will go ahead and update my Amazon review to 1 Star as this product does not function as intended. If you provide a solution in the user interface to select and specify which ports are WAN vs LAN, I will change my review to 5 stars reccomend this product and the TP Link customer support. We need a developer solution. Not offering replacement devices through RMA.
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same problem here with my Deco M5.
Useless as router now that I have decided to install a home automation system.
So far it served my network nice and fast but this is an unacceptable bug, I have o report that problem to the local market so other people does not invest their time and money on these products if they are going to use them as routers.
It seems that TP-link cannot or does not want to fix that.
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@dc11 given the option - I would return them whilst you can. I wish I didn't have them, but didn't find the problem in time and can't afford to junk 4 deco's - and in much honesty, can't really resell them to anyone either!
I keep hoping that an openwrt port will be completed for the deco series - as when that happens the TP-Link garbage can be removed. The HW is ok, it's just the firmware that is completely unacceptable.
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