Deco M9 Plus in AP mode taking over DHCP server and assigning IPs in own subnet
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After installing the M9 in access-mode in my network, I notice some devices cannot be reached anymore.
When examining the situation I notice that the IP the devices get is in the range the M9 uses when in router mode.
When switching to Router-mode, the (internal)M9 IP is: 192.168.78.1 and the DHCP range it uses is from 192.168.78.100 to 192.168.78.200 with a subnet of 255.255.255.0.
Router mode is unusable in my situation, so I'm forced to use the AP-mode.
Some devices (like a "Wemos D1" board, a Thermostat and sometimes my printer when turning it on) get an IP in the 192.168.78.x range while my
cable-modem (Lan Gateway with IP: 192.168.178.1 and subnet 255.255.255.0) is setup to handle the DHCP with a range of 192.168.178.30 - 192.168.178.250 .
The weird thing is that the cable-modem is UP all the time when one of these devices is added, but still doesn't get an IP from my Modem and because of the
different subnet, can't see the device. The device says it's up and running on the SSID from the Deco M9, with the Deco M9 given IP.
From within the Deco App, the device can be seen WITH the wrong IP address....
Because the devices it happened to are headless and no monitor can be attached, looking at the network from the device is not possible.
For some reason the Deco M9 DOES listen AND responds to DHCP requests in certain situations,
making networking a real challenge, even for someone with a good background in networking!
I hope someone will fix this serious flaw in the firmware...
I'm not the only one experiencing problems with DHCP in AP-Mode accordig to several other posters on the community.
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@DLMax did indeed make a good point, but that point has been made for 2 YEARS and 5 MONTHS. There's nothing new in what your customers have been asking. When in AP/Bridge mode then please disable all services. It hasn't ever been any more complex than that.
Can you please commit to a firmware version and an ETA of its release to finally enable this simple feature request.
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@TP-Link we have a deco 60. Could you please inform when this update to disable dhcp will be available as we cannot use certain devices due to this.
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This issue is almost 3 years old. The problem to fix is no doubt a few days, testing and then release. It could have been done and delivered a long time back. They don't care about this and they aren't interested in those of us that had issues due to this totally deranged functionality.
If you can, offload the devices and invest in another vendor.
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