AP online process

AP online process:
1. The AP obtains a static IP address or obtains a dynamic IP address using DHCP.
2. The AP sets up a CAPWAP tunnel with the AC.
3. The AC controls AP access.
a. The AP sends a Join Request packet carrying the SN and version of the AP model.
b. The AC determines whether the MAC address or SN is in the blacklist.
c. The AC determines the AP authentication mode.
MAC address authentication: checks whether the AP is added offline. If not, check whether it is in the whitelist. If not, add the AP to the unauthenticated-AP list manually.
SN authentication: involves the same process as MAC address authentication.
Non-authentication: performs no action.
d. The AP goes online. Other APs that fail to meet the requirements cannot go online.
e. The AC sends a Join Response packet carrying the AC version.
4. AP version check (automatic upgrade if the AP version is different from the AC version.)
-Automatic upgrade (AC/FTP/SFTP mode) must be configured on the AC.
5. After obtaining the configuration from the AC, the AP starts service forwarding.

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