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 cable modem failed to provide 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 failed to assign IP address for the main Deco, once the cable modem recovered, 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 WAN post on the Deco APP later. (Some models already support this feature, such as Deco X80-5G/Deco X20-4G)
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I gave up.
Switched to 3 Velop MX5200 units. Much better coverage than my 5 Deco P9 units.
Interestingly, how come it allows me to switch all bands to different (less congested) channels and doesn't kill my LAN connection when the WAN goes down...
Both things you claimed were not possible to implement (for our own good).
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@TP-Link says "We have also implemented enhancements on certain models" It's been over 3 years now since TP-Link admitted this BUG. It has not been fixed, as confirmed by so-called customer support staff less than a month ago.
So what "certain models" has it been fixed for? Not the M5 or M9 ..... but my new Orbis work well. I can still access my servers on the LAN when the WAN disconnects with the Orbis; sadly not with the Decos!!!!!!!!!
Looking forward to ANY response from this so-called networking company!
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@TP-Link I've been without internet for a month and just come across this thread, what a weird non-scenario where its the lack of internet that has destroyed all LAN connections because of the lack of dedicated WAN port. Pretty poor that the work around is get the ISP to fix it (you think we might have tried that!!?). Assignable ports please!!
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@TimDan you couldn't unless you worked for TP-Link! It's a nuance of the firmware and not someone anyone sane would have thought to ask!
it's like buying an ev and finding it doesn't work when disconnected from the charger! You'd not think to as as we'd all assumed Boone would be stupid enough to design it like that!
🤬🤬🤬🤬🤬🤬
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@TP-Link Just wondering. If the X50 model now has this problem fixed by allowing WAN port assignment, can I get a single X50 unit and replace my current main S4 Deco only. Will the X50 interoperatate with the remaining S4 units.
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@TimDan I'd also be interested in the answer to this. I imagine it would be fine. I'm largely unaffected by the issue. My Deco (in router mode) sits behind a Sonicwall which has WAN failover to 4G. However last week I got called downstairs as the 'internet' was off. Internet was fine for wired devices through the Sonicwall but Deco had confused itself over which was LAN and which was WAN. Had to disconnect the LAN cable, reboot Deco, wait for white light, then plug Deco back in to the LAN to fix. Just rebooting wouldn't cure it. Doesnt happen often enough to be a nuisance, but is an annoyance.
TimDan wrote
@TP-Link Just wondering. If the X50 model now has this problem fixed by allowing WAN port assignment, can I get a single X50 unit and replace my current main S4 Deco only. Will the X50 interoperatate with the remaining S4 units.
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