WLC是3504的,版本为 8.5.151.0 ,前段时间因为有两个AIR-AP2802I-H-K9有问题,让厂商给RMA两个备件过来,版本是8.2.20.16,AP接上之后,始终在WLC上注册不了 [*01/08/2020 07:20:53.5125] Got WLC address 10.63.0.253 from DHCP. [*01/08/2020 07:20:53.5499] Discovery Request sent to 10.63.0.253, discovery type DHCP(2) [*01/08/2020 07:20:53.5500] Discovery Request sent to 255.255.255.255, discovery type UNKNOWN(0) [*01/08/2020 07:20:53.5506] Discovery Response from 10.63.0.253 [*01/08/2020 07:20:53.5506] [*01/08/2020 07:20:53.5506] This AP model is supported by controller version newer than 8.2.102.2! 然后TAC建议通过U-Boot手动升级AP的版本,如下: 关键是版本死活长不上去·