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APs disjoined from the Controller suddenly.

Dear All,

i have two WISM and 200 APs in our company. 10 access points down suddenly. i made a switch ports reset to return them back up. but this happing many times. i got the error logging from the controller as seen below:

May 02 19:48:51.098 sim.c:913 SIM-3-GW_MISMATCH: MAC address of the GW 00:25:b4:da:20:00 recieved in the JOIN Request differs from the cached MAC addr 00:00:0c:07:ac:01 of the Gw. Deleting the Gw IP 10.15.0.250 for the AP Mgr & sending ARP req. for resolv

May 02 19:48:51.098 sim.c:907 SIM-3-ARP_DELETE_FAIL: Deleting the entry with IP 10.15.0.250 and Mac Address: 00:00:0c:07:ac:01 Failed

May 02 19:48:50.907 sim.c:913 SIM-3-GW_MISMATCH: MAC address of the GW 00:25:b4:da:20:00 recieved in the JOIN Request differs from the cached MAC addr 00:00:0c:07:ac:01 of the Gw. Deleting the Gw IP 10.15.0.250 for the AP Mgr & sending ARP req. for resolv

anyone have any idea how we can solve this problem.

thanks for your interest.

Best regards,

Mohamed Abourafia.

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