Chapter 7 Management Mode
•Configure DHCP option 138 with the IP address of the CAPWAP AP controller on your network.
DHCP Option 138 allows the CAPWAP management request (from the AP in managed AP mode) to reach the AP controller in a different subnet, as shown in the following figure.
Figure 39 CAPWAP and DHCP Option 138
SUBNET 1 | SUBNET 2 |
DHCP
SERVER
+ OPTION 138
CAPWAP
TRAFFIC
AP
CONTROLLER (STATIC IP)
MANAGED
AP
7.2.4 Notes on CAPWAP
This section lists some additional features of ZyXEL’s implementation of the CAPWAP protocol.
•When the AP controller uses its internal Remote Authentication Dial In User Service (RADIUS) server, managed APs also use the AP controller’s authentication server to authenticate wireless clients.
•If a managed AP’s link to the AP controller is broken, the managed AP continues to use the wireless settings with which it was last provided.
7.3The Management Mode Screen
Use this screen to configure the
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