Connectivity Guide

Table Of Contents
Figure 5. EAP Port-Authentication
EAP over RADIUS
802.1X uses RADIUS to shuttle EAP packets between the authenticator and the authentication server, as defined in RFC 3579.
EAP messages are encapsulated in RADIUS packets as a type of attribute in Type, Length, Value (TLV) format. The Type value
for EAP messages is 79.
Figure 6. EAP Over RADIUS
RADIUS Attributes for 802.1X Support
Dell EMC Networking systems include the following RADIUS attributes in all 802.1X-triggered Access-Request messages:
Attribute 31
Calling-station-id: relays the supplicant MAC address to the authentication server.
Attribute 41 NAS-Port-Type: NAS-port physical port type. 15 indicates Ethernet.
Attribute 61 NAS-Port: the physical port number by which the authenticator is connected to the supplicant.
Attribute 81 Tunnel-Private-Group-ID: associate a tunneled session with a particular group of users.
80 802.1X