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Authorized IP configuration ···································································································································· 406
Overview ········································································································································································· 406
Configuring authorized IP ·············································································································································· 406
Authorized IP configuration example ··························································································································· 407
Authorized IP configuration example ····················································································································· 407
ACL configuration ··················································································································································· 410
ACL overview ·································································································································································· 410
Introduction to IPv4 ACL ··········································································································································· 410
Effective period of an ACL ······································································································································· 411
ACL step ····································································································································································· 412
Configuring an ACL ························································································································································ 412
Configuration task list ··············································································································································· 412
Configuring a time range ········································································································································ 413
Creating an IPv4 ACL ··············································································································································· 414
Configuring a rule for a basic IPv4 ACL ················································································································ 414
Configuring a rule for an advanced IPv4 ACL ······································································································ 416
Configuring a rule for an Ethernet frame header ACL ·························································································· 419
Configuration guidelines ················································································································································ 421
QoS configuration ··················································································································································· 422
Introduction to QoS ························································································································································ 422
Networks without QoS guarantee ·························································································································· 422
QoS requirements of new applications ·················································································································· 422
Congestion: causes, impacts, and countermeasures ···························································································· 422
End-to-end QoS ························································································································································· 424
Traffic classification ·················································································································································· 424
Packet precedences ·················································································································································· 425
Queue scheduling ····················································································································································· 427
Line rate ····································································································································································· 429
Priority mapping ······················································································································································· 430
Introduction to priority mapping tables ·················································································································· 431
QoS configuration ·························································································································································· 432
Configuration task lists ············································································································································· 432
Creating a class ························································································································································ 434
Configuring match criteria ······································································································································· 435
Creating a traffic behavior ······································································································································ 437
Configuring traffic mirroring and traffic redirecting for a traffic behavior ························································· 438
Configuring other actions for a traffic behavior ···································································································· 439
Creating a policy ······················································································································································ 440
Configuring classifier-behavior associations for the policy ·················································································· 440
Applying a policy to a port ····································································································································· 441
Configuring queue scheduling on a port ··············································································································· 442
Configuring line rate on a port ······························································································································· 443
Configuring priority mapping tables ······················································································································ 444
Configuring priority trust mode on a port ·············································································································· 445
Configuration guidelines ················································································································································ 447
ACL/QoS configuration examples ························································································································ 448
ACL/QoS configuration example ································································································································· 448
PoE configuration ···················································································································································· 458
PoE overview ··································································································································································· 458
Advantages ······························································································································································· 458
Composition ······························································································································································ 458
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