Reference Guide

72 | 802.1X

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Figure 5-3. RADIUS Frame Format

RADIUS Attributes for 802.1 Support

Dell Force10 systems includes the following RADIUS attributes in all 802.1X-triggered Access-Request

messages:

• Attribute 5—NAS-Port: the physical port number by which the authenticator is connected to the

supplicant.

• Attribute 31—Calling-station-id: relays the supplicant MAC address to the authentication server.

• Attribute 41—NAS-Port-Type: NAS-port physical port type. 5 indicates Ethernet.

• Attribute 81—Tunnel-Private-Group-ID: associate a tunneled session with a particular group of

users.

Code

Identifier

Length

Message-Authenticator

Attribute

EAP-Message Attribute

ange: 1-4

odes: 1: Access-Request

2: Access-Accept

3: Access-Reject

11: Access-Challenge

Type

(79)

Length

EAP-Method Data

(Supplicant Requested Credentials)

fnC0034m