Capwap And Dhcp; Capwap And Ip Subnets; Figure 45 Capwap And Dhcp Option 43 - ZyXEL Communications ZyXEL NWA3160 User Manual

Chapter 5 Management Mode
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 (see
to its Unmanaged Access Points list (see
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 (Datagram
Transport Layer Security) pre-shared key. The managed AP is ready for association with
wireless clients.

5.1.2 CAPWAP and DHCP

CAPWAP managed APs must be 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.

5.1.3 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.
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 45 CAPWAP and DHCP Option 43

SUBNET 1
78
CAPWAP
TRAFFIC
AP
CONTROLLER
(STATIC IP)
Section 6.3.3 on page 89) it adds the details of the AP
Section 6.3.1 on page
MANAGED
AP
(DYNAMIC
IP)
ZyXEL NWA-3160 Series User's Guide
86), and you decide
SUBNET 2
DHCP
SERVER
+ OPTION 43