Determine the Order in which ACLs are Used to Classify Traffic....................................................111
Example of the order Keyword to Determine ACL Sequence...................................................112
IP Fragment Handling........................................................................................................................112
IP Fragments ACL Examples..............................................................................................................113
Layer 4 ACL Rules Examples.............................................................................................................113
Configure a Standard IP ACL.............................................................................................................114
Configuring a Standard IP ACL Filter.................................................................................................115
Configure an Extended IP ACL..........................................................................................................116
Configuring Filters with a Sequence Number..................................................................................116
Configuring Filters Without a Sequence Number............................................................................117
Established Flag.................................................................................................................................118
Configure Layer 2 and Layer 3 ACLs.................................................................................................118
Assign an IP ACL to an Interface.......................................................................................................119
Applying an IP ACL............................................................................................................................119
Counting ACL Hits.............................................................................................................................120
Configure Ingress ACLs....................................................................................................................120
Configure Egress ACLs......................................................................................................................121
Applying Egress Layer 3 ACLs (Control-Plane).................................................................................121
IP Prefix Lists......................................................................................................................................122
Implementation Information.......................................................................................................123
Configuration Task List for Prefix Lists.............................................................................................123
Creating a Prefix List..........................................................................................................................123
Creating a Prefix List Without a Sequence Number........................................................................124
Viewing Prefix Lists............................................................................................................................125
Applying a Prefix List for Route Redistribution.................................................................................125
Applying a Filter to a Prefix List (OSPF).............................................................................................126
ACL Resequencing............................................................................................................................127
Resequencing an ACL or Prefix List..................................................................................................127
Route Maps........................................................................................................................................129
Implementation Information......................................................................................................129
Important Points to Remember........................................................................................................129
Configuration Task List for Route Maps...........................................................................................130
Creating a Route Map.......................................................................................................................130
Configure Route Map Filters.............................................................................................................131
Configuring Match Routes................................................................................................................132
Configuring Set Conditions..............................................................................................................133
Configure a Route Map for Route Redistribution............................................................................134
Configure a Route Map for Route Tagging......................................................................................135
Continue Clause................................................................................................................................135
Logging of ACL Processes................................................................................................................136
Guidelines for Configuring ACL Logging..........................................................................................137
Configuring ACL Logging..................................................................................................................137
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