ZyXEL Communications IES-1248-51 Guide de l'utilisateur télécharger pdf (Page 44)

IES-1248-51V Support Notes

will go via 0/34. And the 0/33 get the higher priority. The video traffic will go first

when the two traffics arrive at the same time.

802.1x Application

IEEE 802.1x port-based authentication is desired to prevent unauthorized ports

(clients) from gaining access to the network. It is an extended authentication protocol

that allows support of RADIUS (Remote Authentication Dial in User Service,

RFC2138, 2139) for centralized user profile management on a network RADIUS

server.

We want to deploy 802.1x environment in this application. The following figure

shows the 802.1x example. PC1(supplicant) and PC2(supplicant) want to access to the

application server. If PC1 is not unauthorized, the traffic from PC1 to application

server will be blocked. If PC2 is an authorized client, then it can access to the

application server. From the figure, IES-1248-51V acts as an authenticator.

Authentication

Server (RADIUS)

Station/

Application server

Authorized

Unauthorized

Port x

(Authenticator)

IES-1248-51V

ADSL

Port y

PC 1

(Supplicant)

PC 2

(Supplicant)

How to set up an 802.1x environment.

We should configure Authenticator, RADIUS and Supplicant three parts in 802.1x

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ZyXEL Communications IES-1248-51 Guide de l'utilisateur Page 44