7 Access Control Lists (ACLs)....................................................................................................................... 106
IP Access Control Lists (ACLs).....................................................................................................................................106
CAM Allocation and CAM Optimization.......................................................................................................................107
User Congurable CAM Allocation.........................................................................................................................107
CAM Optimization....................................................................................................................................................108
Test CAM Usage.......................................................................................................................................................108
View CAM-ACL Settings.........................................................................................................................................108
View CAM Usage...................................................................................................................................................... 110
QoS CAM Region Limitation....................................................................................................................................110
Implementing ACLs on Dell Networking OS................................................................................................................. 111
ACLs and VLANs........................................................................................................................................................111
ACL Optimization....................................................................................................................................................... 111
Determine the Order in which ACLs are Used to Classify Trac........................................................................ 111
IP Fragment Handling..................................................................................................................................................... 112
IP Fragments ACL Examples....................................................................................................................................112
Layer 4 ACL Rules Examples................................................................................................................................... 113
Congure a Standard IP ACL.........................................................................................................................................114
Conguring a Standard IP ACL Filter......................................................................................................................115
Congure an Extended IP ACL......................................................................................................................................115
Conguring Filters with a Sequence Number........................................................................................................116
Conguring Filters Without a Sequence Number................................................................................................. 116
Established Flag...............................................................................................................................................................117
Congure Layer 2 and Layer 3 ACLs.............................................................................................................................117
Assign an IP ACL to an Interface...................................................................................................................................118
Applying an IP ACL....................................................................................................................................................118
Counting ACL Hits.................................................................................................................................................... 119
Congure Ingress ACLs.................................................................................................................................................. 119
Congure Egress ACLs...................................................................................................................................................119
Applying Egress Layer 3 ACLs (Control-Plane).................................................................................................... 120
Congure ACLs to Loopback......................................................................................................................................... 121
Applying an ACL on Loopback Interfaces.....................................................................................................................121
IP Prex Lists.................................................................................................................................................................. 122
Implementation Information.................................................................................................................................... 122
Conguration Task List for Prex Lists.................................................................................................................. 122
Creating a Prex List......................................................................................................................................................123
Creating a Prex List Without a Sequence Number............................................................................................123
Viewing Prex Lists.................................................................................................................................................. 124
Applying a Prex List for Route Redistribution.....................................................................................................125
Applying a Filter to a Prex List (OSPF)................................................................................................................125
ACL Resequencing......................................................................................................................................................... 126
Resequencing an ACL or Prex List.......................................................................................................................126
Route Maps.....................................................................................................................................................................128
Implementation Information.................................................................................................................................... 128
Important Points to Remember.............................................................................................................................. 128
Conguration Task List for Route Maps................................................................................................................ 128
6
Contents