ZyXEL NWA-3500 User Guide - Page 89
Notes on CAPWAP
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Chapter 5 Management Mode DHCP Option 43 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 57 CAPWAP and DHCP Option 43 SUBNET 1 SUBNET 2 CAPWAP TRAFFIC DHCP SERVER + OPTION 43 AP CONTROLLER (STATIC IP) MANAGED AP (DYNAMIC IP) 5.2.4 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. • Only one AP controller can exist in any single broadcast domain. • 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. NWA-3500/NWA-3550 User's Guide 89