Configuring 802.1X ··············································································································································· 302
Overview ······································································································································································· 302
802.1X architecture ············································································································································ 302
Access control methods ······································································································································ 302
802.1X-related protocols ···································································································································· 303
Packet formats ······················································································································································ 304
EAP over RADIUS ················································································································································ 305
802.1X timers ······················································································································································ 310
Configuration prerequisites ········································································································································· 313
Configuring 802.1X globally ····································································································································· 313
Configuring 802.1X on a port ··································································································································· 315
Configuration guidelines ···································································································································· 315
Configuration procedure ···································································································································· 315
Configuring an Auth-Fail VLAN ························································································································· 317
Configuration examples ·············································································································································· 318
802.1X configuration example ·························································································································· 318
Configuring AAA ···················································································································································· 333
AAA overview ······························································································································································ 333
Configuring an ISP domain ········································································································································· 335
AAA configuration example ······································································································································· 340
Overview ······································································································································································· 345
Extended portal functions ··································································································································· 345
Portal system components ··································································································································· 345
Portal authentication modes ······························································································································· 348
Portal support for EAP ········································································································································· 348
Configuration prerequisites ································································································································ 352
Configuration task list ········································································································································· 353
Configuring a portal-free rule····························································································································· 361
Configuring RADIUS ··············································································································································· 374
Overview ······································································································································································· 374
Client/Server model ············································································································································ 374
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