RADIUS

Issue 1 July 2006 81

Figure 22: RADIUS Authentication ProcedureRADIUS is also part of IEEE 802.1x port-based network access control. For information on 802.1x, refer to IEEE 802.1x (Port Based Network Access Control).
User attem pts login
Local User
account authenticated
in switch ?
Perform log-in according
to user's privilege level
to switc h
Yes
Authentication
request sent to
RADIUS Server
No
User name and
password
authenti cated? Yes
Authenti cation R eject
sent to sw itch
User cannot access
switch embedded
management
No