viii
ARP defense against IP packet attack configuration example ········································································ 332
Configuring ARP packet rate limit ······························································································································ 334
Introduction ·························································································································································· 334
Configuring ARP packet rate limit ····················································································································· 334
Configuring source MAC address based ARP attack detection·············································································· 335
Introduction ·························································································································································· 335
Configuration procedure ···································································································································· 335
Displaying and maintaining source MAC address based ARP attack detection ·········································· 336
Source MAC address based ARP attack detection configuration example ·················································· 336
Configuring ARP packet source MAC address consistency check ········································································· 337
Introduction ·························································································································································· 337
Configuration procedure ···································································································································· 337
Configuring ARP active acknowledgement ··············································································································· 337
Introduction ·························································································································································· 337
Configuration procedure ···································································································································· 338
Configuring ARP detection ·········································································································································· 338
Introduction ·························································································································································· 338
Enabling ARP detection based on static IP source guard binding entries/DHCP snooping entries/802.1x
security entries/OUI MAC addresses ··············································································································· 338
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Configuring ARP detection based on specified objects ·················································································· 339
Configuring ARP restricted forwarding ············································································································· 340
Displaying and maintaining ARP detection ······································································································ 340
ARP detection configuration example I ············································································································· 341
ARP detection configuration example II ············································································································ 342
ARP restricted forwarding configuration example ··························································································· 343
Configuring ARP automatic scanning and fixed ARP ······························································································· 345
Introduction ·························································································································································· 345
Configuration procedure ···································································································································· 345
Configuring ARP gateway protection ························································································································ 346
Introduction ·························································································································································· 346
Configuration procedure ···································································································································· 346
ARP gateway protection configuration example ······························································································ 347
Configuring ARP filtering ············································································································································· 348
Introduction ·························································································································································· 348
Configuration procedure ···································································································································· 348
ARP filtering configuration example ·················································································································· 348
ND attack defense configuration ··························································································································· 350
Introduction to ND attack defense ······························································································································ 350
Enabling source MAC consistency check for ND packets ······················································································· 351
Configuring the ND detection function ······················································································································ 351
Introduction to ND detection ······························································································································ 351
Configuring ND detection ·································································································································· 352
Displaying and maintaining ND detection ······································································································· 352
ND detection configuration example ························································································································· 353
URPF configuration ·················································································································································· 355
URPF overview ······························································································································································ 355
What is URPF ······················································································································································· 355
URPF check modes ·············································································································································· 355
How URPF works ················································································································································· 356
Network application ··········································································································································· 359
Configuring URPF ························································································································································· 359
URPF configuration example ······································································································································· 359
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