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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@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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@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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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 I agree with the latest poster. It doe NOT make sense for TP-Link to leave this bug in their devices AND tell the customer they can suck it up or go elsewhere.
I have now switched to Orbi and Asus and find the support great and the product even better. Worth paying the extra few dollars folks!
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my deco x75 pro are both access points only. I don't understand why there must be a main deco at all in that case. none is connected to WAN directly. both are connected over switch. I don't know why that must break local networks access when Internet is down. does not make any sense to me.
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I don't know if it disappears in AP mode but it looks like this. I didn't test if it works correctly when WAN connection is off.
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