![]() ![]() Technology Purchasing Toggle Technology Purchasing menu options.Storage & Servers Toggle Storage & Servers menu options.Architecture for Research Computing in Health (ARCH).Research Informatics Toggle Research Informatics menu options.Subject Enrollment & Billing Compliance.Research Administrative Systems Toggle Research Administrative Systems menu options.Print Media & Duplicating Toggle Print Media & Duplicating menu options.Phones, Fax, & Directories Toggle Phones, Fax, & Directories menu options.Online Collaboration Toggle Online Collaboration menu options.IT Security & Privacy Toggle IT Security & Privacy menu options.Event Services Toggle Event Services menu options.Email & Calendar Toggle Email & Calendar menu options.Educational Technologies Toggle Educational Technologies menu options.Clinical Systems Toggle Clinical Systems menu options.Business Applications Toggle Business Applications menu options.Accounts and Access Toggle Accounts and Access menu options.Downloads Toggle Downloads menu options.By Audience Toggle By Audience menu options.Below is an example of a basic MAC-Based authentication exchange. The Guest VLAN would provide Internet access only. It is possible however, to configure the switch to drop devices into a Guest VLAN when they fail to authenticate. ![]() If the RADIUS server replies with an Access-Reject because the device does not match a policy, the switch will not grant network access. Upon receiving this message, the switch will grant network access to the device on that port. If a RADIUS policy exists on the server that specifies the device should be granted access and the credentials are correct, the RADIUS server will respond with an Access-Accept message. ![]() The username and password combination is always the MAC address of the connecting device, lower case without delimiting characters. The switch (RADIUS client) sends a RADIUS Access-Request to the RADIUS server containing the username and password of the connecting device. When a device connects to a port with an access policy assigned, before network access is granted, the device must be authenticated by the RADIUS server. Devices are authenticated at the port level with MAC-Based RADIUS. Unauthorized users are prevented from accessing to the wired LAN because each device that connects to a switch port will need to be authenticated before network access is granted. In some environments it is critical to control which devices can access the wired LAN. Ports in common areas make a network vulnerable to access by guests and other unauthorized users. MAC-Based RADIUS can be used to provide port based access control on your MS series switches. ![]()
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