https://community.extremenetworks.com/t5/extremewireless-wing/a-altitude-ap-has-attempted-to-connect-that-is-unknown-to-the/m-p/57105#M4094 Create Date: Apr 4 2013 7:56PM<BR /> <BR /> It's a Extreme Altitude 350-2 Integrated Antenna. It's IP is being assigned by DHCP but also i tried with static IP. (from Gustavo_Oliveira) Wed, 08 Jan 2014 06:01:00 GMT EtherNation_Use 2014-01-08T06:01:00Z https://community.extremenetworks.com/t5/extremewireless-wing/a-altitude-ap-has-attempted-to-connect-that-is-unknown-to-the/m-p/57101#M4090 Create Date: Apr 4 2013 12:52PM<BR /> <BR /> Hello!We have a WM2000 Wireless Controller and one of the Altitude APs, that used to work, cannot connect to WM anymore.In the log i have the following message: 04/03/13 17:38:00 Major RU Manager A Altitude AP has attempted to connect that is unknown to the system. Altitude AP authentication failure. Serial Number: xxxxxxx, IP: xxxxxxxxxx. I tried to turn it off and on, delete it from WM and it still cannot connect. Any help please?!Thanks in advance! (from Gustavo_Oliveira) Wed, 08 Jan 2014 06:00:00 GMT https://community.extremenetworks.com/t5/extremewireless-wing/a-altitude-ap-has-attempted-to-connect-that-is-unknown-to-the/m-p/57101#M4090 EtherNation_Use 2014-01-08T06:00:00Z https://community.extremenetworks.com/t5/extremewireless-wing/a-altitude-ap-has-attempted-to-connect-that-is-unknown-to-the/m-p/57102#M4091 Create Date: Apr 4 2013 4:54PM<BR /> <BR /> Are the AP and the controller in the same VLAN? (from ethernet) Wed, 08 Jan 2014 06:01:00 GMT https://community.extremenetworks.com/t5/extremewireless-wing/a-altitude-ap-has-attempted-to-connect-that-is-unknown-to-the/m-p/57102#M4091 EtherNation_Use 2014-01-08T06:01:00Z https://community.extremenetworks.com/t5/extremewireless-wing/a-altitude-ap-has-attempted-to-connect-that-is-unknown-to-the/m-p/57103#M4092 Create Date: Apr 4 2013 5:13PM<BR /> <BR /> Hello!Yes, they are in the same VLAN, i can ping the old AP's IP address. Now it doesn't even show the error message in the log and one of the AP's keep rebooting.Any idea? (from Gustavo_Oliveira) Wed, 08 Jan 2014 06:01:00 GMT https://community.extremenetworks.com/t5/extremewireless-wing/a-altitude-ap-has-attempted-to-connect-that-is-unknown-to-the/m-p/57103#M4092 EtherNation_Use 2014-01-08T06:01:00Z https://community.extremenetworks.com/t5/extremewireless-wing/a-altitude-ap-has-attempted-to-connect-that-is-unknown-to-the/m-p/57104#M4093 Create Date: Apr 4 2013 5:40PM<BR /> <BR /> What kind of AP is that (model number)? How is it getting its IP address? via DHCP? (from ethernet) Wed, 08 Jan 2014 06:01:00 GMT https://community.extremenetworks.com/t5/extremewireless-wing/a-altitude-ap-has-attempted-to-connect-that-is-unknown-to-the/m-p/57104#M4093 EtherNation_Use 2014-01-08T06:01:00Z https://community.extremenetworks.com/t5/extremewireless-wing/a-altitude-ap-has-attempted-to-connect-that-is-unknown-to-the/m-p/57105#M4094 Create Date: Apr 4 2013 7:56PM<BR /> <BR /> It's a Extreme Altitude 350-2 Integrated Antenna. It's IP is being assigned by DHCP but also i tried with static IP. (from Gustavo_Oliveira) Wed, 08 Jan 2014 06:01:00 GMT https://community.extremenetworks.com/t5/extremewireless-wing/a-altitude-ap-has-attempted-to-connect-that-is-unknown-to-the/m-p/57105#M4094 EtherNation_Use 2014-01-08T06:01:00Z https://community.extremenetworks.com/t5/extremewireless-wing/a-altitude-ap-has-attempted-to-connect-that-is-unknown-to-the/m-p/57106#M4095 Create Date: Apr 4 2013 9:06PM<BR /> <BR /> I had to reset the AP phisically (reset button) and then re-add it to the WM.Thanks for the help! (from Gustavo_Oliveira) Wed, 08 Jan 2014 06:01:00 GMT https://community.extremenetworks.com/t5/extremewireless-wing/a-altitude-ap-has-attempted-to-connect-that-is-unknown-to-the/m-p/57106#M4095 EtherNation_Use 2014-01-08T06:01:00Z