9
Trace route ································································································································································· 302
Diagnostic tool operations ············································································································································· 303
Ping operation ··························································································································································· 303
Trace route operation ··············································································································································· 304
ARP management ···················································································································································· 306
ARP overview ·································································································································································· 306
ARP function ······························································································································································ 306
ARP message format ················································································································································· 306
ARP operation ··························································································································································· 307
ARP table ··································································································································································· 307
Managing ARP entries···················································································································································· 308
Displaying ARP entries ············································································································································· 308
Creating a static ARP entry ······································································································································ 309
Static ARP configuration example ··························································································································· 309
Gratuitous ARP ································································································································································ 313
Introduction to gratuitous ARP ································································································································· 313
Configuring gratuitous ARP ····································································································································· 313
ARP attack defense configuration ·························································································································· 315
ARP detection ·································································································································································· 315
Introduction to ARP detection ··································································································································· 315
Configuring ARP detection ······································································································································· 317
Creating a static binding entry ································································································································ 319
802.1X fundamentals ············································································································································· 320
Architecture of 802.1X ··················································································································································· 320
Controlled/uncontrolled port and port authorization status ······················································································· 320
802.1X-related protocols ··············································································································································· 321
Packet formats ··························································································································································· 321
EAP over RADIUS ······················································································································································ 323
Initiating 802.1X authentication ···································································································································· 323
802.1X client as the initiator ··································································································································· 323
Access device as the initiator ·································································································································· 323
802.1X authentication procedures ······························································································································· 324
A comparison of EAP relay and EAP termination ································································································· 324
EAP relay ··································································································································································· 325
EAP termination ························································································································································· 327
802.1X configuration ············································································································································· 328
HP implementation of 802.1X ······································································································································· 328
Access control methods ············································································································································ 328
Using 802.1X authentication with other features ·································································································· 328
Configuring 802.1X ······················································································································································· 329
Configuration prerequisites······································································································································ 329
802.1X configuration task list ································································································································· 330
Configuring 802.1X globally ·································································································································· 330
Configuring 802.1X on a port ································································································································ 332
Configuration examples ················································································································································· 334
802.1X configuration example ······························································································································· 334
ACL assignment configuration example ················································································································· 341
AAA configuration ·················································································································································· 351
Overview ········································································································································································· 351
Introduction to AAA ·················································································································································· 351
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