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Community Member

AP gets always a new IP address from DHCP server

Hello,

When an access points doesn't find a controller it gets always a new IP address from DHCP server.

Does anyone know, why?

 

 

thanks

 


 

4 REPLIES
VIP Purple

If it is a  Cisco IOS DHCP

If it is a  Cisco IOS DHCP server, it is always do that & that is  normal.

HTH

Rasika

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Community Member

Hi Rasika,thanks for your

Hi Rasika,

thanks for your answer.

It is a Microsoft DHCP server.

regards

Martin

Silver

you can fixed your ip in the

you can fixed your ip in the DHCP server configuration in AD and that will resolve your issue .

 

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Community Member

 Hi,From what I know this is

 

Hi,

From what I know this is to do with DHCP option 60 and 43.Normally when APs request for IP address, DHCP Server also returns the management IP Address of WLC if the VCI matches.

If the VCI sent by the AP does not match with the one configured under DHCP for that particulart AP type, the DHCP will never return the WLC IP and hence AP can not find the controller.And the AP keeps sending DHCP Req and sometimes end up getting two IP addresses!

So may be you can check VCI on DHCP server for that AP model.

Let me know.

 

Cheers

 

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