Dell 6200 SERIES manual 119, Radius Servers in a Network

Figure 5-3. RADIUS Servers in a Network

When a user attempts to log in, the switch prompts for a username and password. The switch then attempts to communicate with the primary RADIUS server at 10.10.10.10. Upon successful connection with the server, the login credentials are exchanged over an encrypted channel. The server grants or denies access, which the switch honors, and either allows or does not allow the user to access the switch. If neither of the two servers can be contacted, the switch searches its local user database for the user.

console(config)#radius-server host 10.10.10.10 console(Config-radius)#key secret1 console(Config-radius)#priority 1 console(Config-radius)#exit

console(config)#radius-server host 11.11.11.11 console(Config-radius)#key secret2 console(Config-radius)#priority 50 console(Config-radius)#exit

console(config)#aaa authentication login radiusList radius local console(config)#aaa authentication dot1x default radius

Device Security

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