Brocade Communications Systems Mobility 7131 Series Service Manual download pdf (Page 486)

474 Brocade Mobility 7131 Access Point Product Reference Guide

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• Static FQDN - A switch fully qualified domain name can be specified to perform a DNS lookup

and switch discovery.

• Static IP addresses - Up to 12 switch IP addresses can be manually specified in an ordered list

the AP can choose from. When providing a list, the AAP tries to adopt based on the order in

which they are listed (from 1-12)

NOTE

An AAP can use it's LAN or WAN Ethernet interface to adopt. The LAN is PoE and DHCP enabled by

default.

The WAN has no PoE support and has a default static AP address of 10.1.1.1/8.

Securing a Configuration Channel Between Switch and AP

Once an access point obtains a list of available switches, it begins connecting to each. The switch

can be either on the LAN or WAN side of the access point to provide flexibility in the deployment of

the network. If the switch is on the access point’s LAN, ensure the LAN subnet is on a secure

channel. The AP will connect to the switch and request a configuration.

Adaptive AP WLAN Topology

An AAP can be deployed in the following WLAN topologies:

• Extended WLANs - Extended WLANs are the centralized WLANs created on the switch

• Independent WLANs - Independent WLANs are local to an AAP and can be configured from the

switch. You must specify a WLAN as independent to stop traffic from being forwarded to the

switch. Independent WLANs behave like WLANs on a standalone access point.

• Both - Extended and independent WLANs are configured from the switch and operate

simultaneously.

NOTE

For a review of some important considerations impacting the use of extended and independent

WLANs within an AAP deployment, see Adaptive AP Deployment Considerations on page 10-483.

Configuration Updates

An AAP receives its configuration from the switch initially as part of its adoption sequence.

Subsequent configuration changes on the switch are reflected on an AAP when applicable.

An AAP applies the configuration changes it receives from the switch after 30 seconds from the last

received switch configuration message. When the configuration is applied on the AAP, the radios

shutdown and re-initialize (this process takes less than 2 seconds) forcing associated MUs to be

deauthenticated. MUs are quickly able to associate.

Securing Data Tunnels between the Switch and AAP

If a secure link (site-to-site VPN) from a remote site to the central location already exists, the AAP

does not require IPSec be configured for adoption.

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Brocade Communications Systems Mobility 7131 Series Service Manual Page 486