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Ruby Tech GS-2124C manual 111

Models: GS-2124C

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GS-2124C User Manual

Authentication server

C

Fig. 3-51

Authenticator

B

Supplicant A

The Fig. 3-52 shows the procedure of 802.1x authentication. There are steps for the login based on 802.1x port access control management. The protocol used in the right side is EAPOL and the left side is EAP.

1.At the initial stage, the supplicant A is unauthenticated and a port on switch acting as an authenticator is in unauthorized state. So the access is blocked in this stage.

2.Initiating a session. Either authenticator or supplicant can initiate the message exchange. If supplicant initiates the process, it sends EAPOL-start packet to the authenticator PAE and authenticator will immediately respond EAP-Request/Identity packet.

3.The authenticator always periodically sends EAP-Request/Identity to the supplicant for requesting the identity it wants to be authenticated.

4.If the authenticator doesn’t send EAP-Request/Identity, the supplicant will initiate EAPOL-Start the process by sending to the authenticator.

5.And next, the Supplicant replies an EAP-Response/Identity to the authenticator. The authenticator will embed the user ID into Radius- Access-Request command and send it to the authentication server for confirming its identity.

6.After receiving the Radius-Access-Request, the authentication server sends Radius-Access-Challenge to the supplicant for asking for inputting user password via the authenticator PAE.

7.The supplicant will convert user password into the credential information, perhaps, in MD5 format and replies an EAP-Response with this credential information as well as the specified authentication algorithm (MD5 or OTP) to Authentication server via the authenticator PAE. As per the value of the type field in message PDU, the authentication server knows which algorithm should be applied to authenticate the credential information, EAP-MD5 (Message Digest 5) or EAP-OTP (One Time Password) or other else algorithm.

Publication date: June, 2005

Revision A1

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Page 121
Image 121
Ruby Tech GS-2124C manual 111
Page 120 Page 122

GS-2124C specifications

The Ruby Tech GS-2124C represents a significant advancement in technology, specifically designed for users who require reliability and high performance. This versatile device is characterized by its robust build quality combined with cutting-edge features, making it an ideal choice for both personal and professional applications.

One of the main features of the GS-2124C is its powerful processor. The device is equipped with an advanced multi-core CPU, which ensures smooth operation even when handling demanding tasks. This makes it suitable for multitasking, whether you’re working on data-intensive applications or running virtual environments.

In terms of memory and storage, the GS-2124C comes with substantial RAM and high-capacity storage options. This ensures that users can run multiple applications simultaneously without experiencing any slowdowns, while also providing ample space for data and applications. The device supports SSD technology, which accelerates data access and enhances overall performance.

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Overall, the Ruby Tech GS-2124C stands out for its combination of performance, versatility, and user-friendly design. Whether for everyday tasks or complex operations, this device is built to handle a variety of demands efficiently, making it a compelling choice for anyone in the market for a reliable technological solution. This device exemplifies Ruby Tech's commitment to innovation and quality, ensuring that it meets the needs of modern users effectively.