Technical data
© 2012 Meru Networks, Inc. Authentication 149
Chapter 9
Authentication
There are three authentication methods available for administrators and two
methods available for users. Administrators can be authenticated with Radius,
TACACS+ or Local authentication. Users can be authenticated with Radius or Local
authentication.
Radius Authentication
Conceptual 802.1X Model for Radius Authentication
The conceptual model for 802.1X authentication looks like this:
Figure 19: Conceptual Model for 802.1X Radius Server Authentication
802.1X Radius authentication works like this:
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RAD
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A
ccess
P
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S
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1
:
Obtain certificate
S
t
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p
2
:
Contact AP
S
t
e
p
3
:
Forward request
S
t
e
p
4
:
Send RADIUS request
c
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r
PMC1 PMC2
COM1 LAN3
HDD WDT
PW HS
RST
USB1 USB0
PWR LED RESET
POWER
S
t
e
p
5
:
Password challenge / certificate request
S
t
e
p
6
:
User sends password / certificate
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