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Symbol Technologies AP-4131 manual

Models: AP-4131

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Introduction

When the AP boots up it contacts the KSS to obtain KDC information. The AP sends an Authentication Service Request (AS_REQ) to the KDC. The KDC looks up the username (ESSID in the case of APs), the associated password, and other authentication information including the current time stamp. If the AP has provided the correct information the KDC responds with an Authentication Service Response (AS_REP). These initial Kerberos messages are used to obtain the client credentials and session key known as the Ticket Granting Ticket. The AP verifies the information and is authenticated with the KDC. After the AP validates the message, it turns on its RF services but does not bridge data packets until the MU has been authenticated.

An MU is required to authenticate with the KDC before the AP allows any RF bridging. The MU appears to associate but because it has not been authenticated, the AP does not bridge any non-Kerberos authentication type packets to the network. The AP acts as a conduit (the AP will proxy the MU requests/replies to and from the KDC) passing AS_REQ, AS_REP, Ticket Granting Service Request (TGS_REQ) and Ticket Granting Service Reply (TGS_REP) between the clients and the KDC until authentication is successful.

Once a ticket is issued and the authentication process is completed, the AP continues to bridge data with the MU even if the KDC/KSS are unavailable. Once the ticket expires, the AP/MU stop passing Kerberos data if the KDC/KSS are still unavailable to issue tickets.

The authentication process for an MU is similar to an AP authentication. The difference being that the MU/client sends all requests through the AP with one additional step. The additional step is sending the KDC a TGS_REQ for RF services. The TGS_REQ message is encrypted with the encryption key that the MU received during the first part of the authentication process. The ticket the MU received in the AS_REP includes: the ESSID of the AP whose RF services it wishes to access. The AP proxies (forwards) the MU request to the KDC. The KDC verifies the request and responds with a TGS_REP sent to the MU through the AP which proxies the reply to the MU. The AP proxy does not read the MU TGS_REQ but replaces the header information with an IP header (the AP IP address). Conversely, the AP replaces the TGS_REP header

AP-4131 Access Point Product Reference Guide

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Symbol Technologies AP-4131 manual
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AP-4131 specifications

The Symbol Technologies AP-4131 is a high-performance access point designed for businesses seeking reliable wireless networking solutions. With its robust features and advanced technologies, the AP-4131 paves the way for seamless connectivity in a variety of environments, including offices, warehouses, and retail spaces.

One of the standout features of the AP-4131 is its support for dual-band operation, enabling it to efficiently transmit and receive data across both 2.4 GHz and 5 GHz frequency bands. This dual-band functionality minimizes interference and allows for optimal performance even in densely populated areas with multiple wireless devices.

The AP-4131 employs the 802.11a/b/g/n standards, offering data rates of up to 300 Mbps. This capability ensures that users experience fast and reliable wireless connectivity, whether for bandwidth-intensive applications or simple web browsing. Additionally, its MIMO (Multiple Input Multiple Output) technology significantly enhances the signal quality and overall network performance, allowing more devices to connect simultaneously without degrading performance.

In terms of security, the AP-4131 provides advanced encryption protocols, including WPA2, to safeguard data transmission and mitigate the risk of unauthorized access. This emphasis on security is vital for organizations handling sensitive information and needing to protect their networks from potential threats.

The device is also equipped with Power over Ethernet (PoE) support, simplifying installation by allowing power and data to use a single cable. This feature enables flexible placement of the access point without the need for separate power sources, making it convenient for deployment in various locations.

Moreover, the AP-4131 features built-in management capabilities, allowing IT administrators to monitor and manage network performance easily. Its centralized management system facilitates the quick configuration of access points across the organization, streamlining maintenance and troubleshooting processes.

Another notable characteristic of the AP-4131 is its rugged design, built to withstand harsh environmental conditions. This makes it suitable for outdoor deployments or areas subject to extreme temperatures and conditions.

In summary, the Symbol Technologies AP-4131 is an advanced access point that combines dual-band performance, robust security features, and flexible deployment options, making it a valuable asset for businesses aiming to enhance their wireless networking capabilities. Its combination of cutting-edge technologies and reliable performance positions it as a top choice for organizations looking to build a strong, secure, and efficient wireless infrastructure.