ads-tec GmbH RAX1X2X Manual De Usuario

User Manual

User Manual Access Point /Client V 3.0.3

Access Point /Client V 3.0.3

8.2.3

Adv.

Adv. WLAN

WLAN

IAPP

The IAPP is employed to exchange control and additional information between Access
Points. For instance, an AP sends an IAPP notification to all other APs in the same network
whenever a new client logs into the network. All other APs may then remove that client from
their table of logged-in clients. Regardless of this setting, an LLC Xid packet, originally also
defined as part of the IAPP, will be transmitted in any case whenever a client logs into the
network.

Activate IAPP

This option enables IAPP broadcasts and reception of IAPP messages on Access Points.

Activate IAPP Client Update

This option enables a special ads-tec extension of the IAP protocol. This extension will, at a
1  second  interval,  send  the  802.11  beacon  information  via  the  Ethernet  as  an  IAPP
broadcast.  ads-tec  clients  are  able  to  receive  these  messages  and  can  thus  obtain
information  about  all  APs  in  the  network,  independent  of  whether  these  APs  are  already
visible to the client through a wireless connection. This information is particularly useful for
automatic channel resolution in the 5 GHz band when using fast roaming.

Hence, this option is only useful when fast roaming is employed.

Note:

The IAPP (Inter-Access Point Protocol) was defined in the IEEE 802.11f recommendation.
It was only defined as a trial use recommendation and withdrawn in 2006. Consequently,
IAPP is not a standardised protocol.