C2300 access-point with static IP, keeps requesting DHCP IP

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C2300 access-point with static IP, keeps requesting DHCP IP

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C2300 access-point with static IP, keeps requesting DHCP IP
C2300 access-point with static IP, keeps requesting DHCP IP
2019-02-26 19:56:28
Model: Archer C2300  
Hardware Version: V1
Firmware Version: 2.0.3

I've recently purchased a C2300 to use as access point (not router). It is configured as "Operation mode: Access Point", with static ip 192.168.0.2 (with my ISP-provided modem being 192.168.0.1). DHCP is off on the C2300, so it is the simplest access-point configuration I can make - it provides wifi and nothing else.

 

This works fine, but in the system log on the C2300, this message repeats every minute:

"Obtaining Dynamic IP 192.168.0.54 succeeded."

 

The C2300 correctly use the statically assigned IP 192.168.0.2, so the DHCP-obtained IP seems to not be used for anything. Why does this DHCP request still occur every minute, when I'm using static IP? Seems like a bug.

 

PS: If I bind a different IP to my C2300's MAC address in the modem DHCP setup, this new IP will be obtained (and not used) by the C2300.  

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Re:C2300 access-point with static IP, keeps requesting DHCP IP
2020-05-25 19:27:08
Make the DHCP reservation for the AP on the main router the same IP address as you set the static IP of the AP to. This worked for me.
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Re:C2300 access-point with static IP, keeps requesting DHCP IP
2021-01-28 13:13:00

@porten 

 

Here is the unacceptable answer from TP-Link support for a router under warranty.

 

 

 

 

Never, it was mentioned that we cannot use a fixed IP address on the router. I have never seen that on other brands. So, from TP-Link, you need to purchase a new one, hoping it will be an Archer C2300 V2.

Having DHCP request logs is not normal when you set a fixed IP address and all those continuous request are slowing down the performance of the router.

Also getting time from internet or firmware checks will not work.

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Re:C2300 access-point with static IP, keeps requesting DHCP IP
2021-03-25 12:47:18 - last edited 2021-03-25 13:09:52

@porten 

 

I have exactly the same problem with a C2300 v1 running the latest firmware (2.0.3 which is quite old, from 09/2018).


While in Access Point mode, it keeps sending DHCP requests every ˜10 seconds even if the IP address is static.


Changing IP address from Static to Dynamic and then back to Static solves the problem, but it is temporary. Rebooting the router the issue appears again and the device starts flooding the network with DHCP requests again.


Making the IP Dynamic and reserving it on the main router does have the same effect (temporarily solves the problem until the next reboot/power cycle).

 

This is clearly a defect in the firmware, something that TP-Link should fix, but a more recent firmware is only available for the “v2” and the “v1” seems to be abandoned.

 

Shame on you TP-Link to treat your products and customers like this.

 

PS: I am crossposting this on purpose since TP-Link is ignoring this issue since this product was launched - see also another threads about the this exact same (and unsolved) problem at:

https://community.tp-link.com/en/home/forum/topic/105793

https://community.tp-link.com/en/home/forum/topic/156045 (this topic)

https://community.tp-link.com/en/home/forum/topic/183706

https://community.tp-link.com/en/home/forum/topic/98158

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