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Data Sheet

The Cisco Aironet 1524 dedicates radios for the backhaul and access, allowing mesh networks to

maximize use of the total available channels. This results in more capacity than is available with

solutions that use only a single radio. When more capacity is needed, additional sectors can be

enabled—for example, by provisioning a network connection to additional access points. The

mesh dynamically re-optimizes itself when this is done

Zero-Touch Configuration

Using the Cisco Lightweight Access Point Protocol (LWAPP) features, the Cisco Aironet 1524

mesh access point can discover its LWAPP controller and automatically download the correct

configuration and software for its role in the wireless mesh network.

Cisco Adaptive Wireless Path Protocol (AWPP)

Wireless mesh networks have unique features and requirements, and to address these features

and requirements, Cisco has built a new protocol that allows each node to determine its neighbor

or parent intelligently, choosing the optimal path toward the controller. Unlike traditional routing

protocols, AWPP takes RF details into account.

AWPP automatically determines the best path back to the LWAPP controller by calculating the

cost of each path in terms of signal strength and number of hops. After the path is established,

AWPP continuously monitors the best path conditions and changes routes if necessarily to

optimize performance. AWPP also performs a smoothing function by signaling condition

information to help ensure that the ephemeral nature of RF environments does not impact network

stability.

Robust Embedded Security

A core component of the Cisco Unified Wireless Solution is the use of X.509 certificates and AES

encryption for LWAPP transactions. This X.509 and AES encryption is embedded into the wireless

mesh solution with LWAPP transactions and by AES encrypting all traffic between mesh nodes.

The complete packet path is from the Cisco controller to the access points and eventually to the

users. The controller encapsulates user packets and forwards them to the correct root access

point (RAP) over Ethernet. The RAP has a wired connection to the backhaul, and it wirelessly

connects mesh access points (MAPs) at locations without a wired connection. The RAP then

encrypts the user data packets and transfers them over the backhaul. Data packets may travel

through multiple mesh access points before reaching the destination MAP. After receiving the

encrypted user data, the destination MAP decrypts them and sends them over the air to the client

using the encryption method specified by the client.

For mutual authentication, Extensible Authentication Protocol / Pre-Shared Key (EAP / PSK) is

now supported between the mesh access point nodes.

Seamless Mobility

The same seamless mobility features delivered through the Cisco Unified Wireless Solution are

delivered in the Cisco Outdoor Wireless Networking solution. Users can seamlessly roam in

outdoor environments between the various Cisco Aironet 1520 Series mesh access points at

different locations. If there is a Cisco indoor wireless network infrastructure, the user can also roam

between the indoor and outdoor environments.

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