EAP 245 DHCP PROBLEMS

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EAP 245 DHCP PROBLEMS
EAP 245 DHCP PROBLEMS
2018-12-17 13:20:41

Hi Everyone,

 

I have router MIKROTIK which shares DHCP to the network. I installed  4 EAP 245 a month ago and everything was OK until yesterday. Now, it works on WIFI only if I assign static IP to devices. I can not find a problem. On the old WRT54GL, the device immediately gets IP. I can not find any settings to help solve this problem with EAP 245. Hard reset?

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Re:EAP 245 DHCP PROBLEMS
2018-12-18 02:48:39

Hi,

 

You mean that when the EAP are assigned dynamic IP, the client devices can find the SSID but they can't connect to it, and when you assign static IP to EAP, the client devices can connect to the SSID, yes? Did the EAP get an IP address when you set dynamic IP? And did you set other settings for the EAP or for other devices in the network yesterday?  I think you can update the firmware and reboot the EAP to have a try.

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Re: EAP 245 DHCP PROBLEMS
2018-12-19 02:21:12

rprost wrote

I have router MIKROTIK which shares DHCP to the network. I installed  4 EAP 245 a month ago and everything was OK until yesterday. Now, it works on WIFI only if I assign static IP to devices. I can not find a problem. On the old WRT54GL, the device immediately gets IP. I can not find any settings to help solve this problem with EAP 245. Hard reset?

 

Sounds like a DHCP problem of the Mikrotik to me. Check the lease time - is it > 24h? If so, maybe the DHCP pool is exhausted?

 

The WRT54 in standard config is a router, the EAPs are APs. If not explicitly configured as an AP, the WRT54 uses its own DHCP pool for IP addresses of its clients and it would keep its own IP even if the DHCP pool on the Mikrotik becomes exhausted (as will the EAPs). Only clients can't get anymore IPs then and this could lead to the symptoms you have reported.

 

As a last resort, use tcpdump to observe the DHCP traffic between clients and the Mikrotik.

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Re:EAP 245 DHCP PROBLEMS
2019-01-03 19:59:22
I have the same problem, with 3 eap110 and 1 eap225 Only if I'm in range of 255 dhcp is not working but is eap110 signal is stronger it works well. Here is my reference entry: https://community.tp-link.com/en/business/forum/topic/150511
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