1 ACL Overview ············································································································································1-1

Introduction to ACL ·································································································································1-1

ACL Classification ···························································································································1-1

ACL Naming ····································································································································1-1

ACL Match Order·····························································································································1-2

ACL Step ·········································································································································1-3

Effective Period of an ACL ··············································································································1-3

IP Fragments Filtering with ACL······································································································1-4

ACL Application·······································································································································1-4

2 ACL Configuration·····································································································································2-1

Creating a Time Range ···························································································································2-1

Configuration Procedure··················································································································2-1

Configuring a Basic ACL ·························································································································2-2

Configuration Prerequisites ·············································································································2-2

Configuration Procedure··················································································································2-2

Configuring an Advanced ACL················································································································2-3

Configuration Prerequisites ·············································································································2-3

Configuration Procedure··················································································································2-3

Configuring an Ethernet Frame Header ACL··························································································2-4

Configuration Prerequisites ·············································································································2-5

Configuration Procedure··················································································································2-5

Copying an ACL ······································································································································2-6

Configuration Prerequisites ·············································································································2-6

Configuration Procedure··················································································································2-6

Displaying and Maintaining ACLs ···········································································································2-6

3 ACL Application for Packet Filtering ·······································································································3-1

Filtering Ethernet Frames ·······················································································································3-1

Filtering IPv4 Packets ·····························································································································3-1

ACL Application Example ·······················································································································3-1

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