Белая книга для Cisco Cisco 2000 Series Wireless LAN Controller

Interface/Device IP Address WLC − Management Interface 192.168.10.102 WLC − ap−manager Interface

192.168.10.103 Light−Weight AP 192.168.10.22

For the purposes of this traffic study, the setup was created with only one Access Point to establish the initial
exchange and configuration changes baselines. More APs were later added to determine the effects of scaling
the number of APs on the amount of traffic generated on the wire.

The AP uses ephemeral ports when it talks to the WLC. The port numbers used by the WLC, in return, are
UDP port 12222 and UDP port 12223 for LWAPP Data and LWAPP Control traffic respectively. An LWAPP
control frame is distinguished from an LWAPP data frame by the C bit in the header flag field of the
LWAPP. If set to 1, it is a control frame.

The LWAPP Discovery requests, sent by the Access Point, are used in order to determine which WLCs are
present in the network.