ZyXEL NWA-3160 User Manual download pdf (Page 88)

Chapter 5 Management Mode

NWA-3160 Series User’s Guide

Note: The NWA can be a controller AP, standalone AP (default) or a CAPWAP

managed AP.

Note: If you are using several NWA models in your network including an NWA-3166,

you should use the NWA-3166 as the Controller AP.

5.2.1 CAPWAP Discovery and Management

The link between CAPWAP-enabled access points proceeds as follows:

1 An AP in managed AP mode joins a wired network (receives a dynamic IP

address).

2 The AP sends out a management request, looking for an AP in CAPWAP AP

controller mode.

3 If there is an AP controller on the network, it receives the management request. If

the AP controller is in Manual mode it adds the details of the AP to its

Unmanaged Access Points list, and you decide which available APs to manage.

If the AP is in Always Accept mode, it automatically adds the AP to its Managed

Access Points list and provides the managed AP with default configuration

information, as well as securely transmitting the DTLS pre-shared key. The

managed AP is ready for association with wireless clients.

5.2.2 CAPWAP and DHCP

CAPWAP managed APs must be Dynamic Host Configuration Protocol (DHCP)

clients, supplied with an IP address by a DHCP server on your network.

Furthermore, the AP controller must have a static IP address; it cannot be a DHCP

client.

5.2.3 CAPWAP and IP Subnets

By default, CAPWAP works only between devices with IP addresses in the same

subnet (see the appendices for information on IP addresses and subnetting).

However, you can configure CAPWAP to operate between devices with IP

addresses in different subnets by doing the following.

• Activate DHCP option 43 on your network’s DHCP server.

• Configure DHCP option 43 with the IP address of the CAPWAP AP controller on

your network.

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ZyXEL NWA-3160 User Manual Page 88