Concept Guide

CAM Usage................................................................................................................................................................117
User-Congurable CAM Allocation......................................................................................................................... 118
Allocating CAM for Ingress ACLs on the Port Extender...................................................................................... 118
Allocating CAM for Egress ACLs on the Port Extender...................................................................................... 120
Implementing ACLs on Dell EMC Networking OS.................................................................................................121
ACL Optimization to Increase Number of Supported IPv4 ACLs.............................................................................122
Restrictions for ACL Optimization..........................................................................................................................122
Optimizing ACL for More Number of IPv4 ACL Rules.........................................................................................123
IP Fragment Handling.....................................................................................................................................................123
IP Fragments ACL Examples...................................................................................................................................123
Layer 4 ACL Rules Examples...................................................................................................................................124
Congure a Standard IP ACL........................................................................................................................................125
Conguring a Standard IP ACL Filter..................................................................................................................... 126
Congure an Extended IP ACL..................................................................................................................................... 127
Conguring Filters with a Sequence Number....................................................................................................... 127
Conguring Filters Without a Sequence Number.................................................................................................128
Congure Layer 2 and Layer 3 ACLs............................................................................................................................129
Using ACL VLAN Groups...............................................................................................................................................129
Guidelines for Conguring ACL VLAN Groups..................................................................................................... 129
Conguring an ACL VLAN Group...........................................................................................................................130
Allocating ACL VLAN CAM...................................................................................................................................... 131
Applying an IP ACL..........................................................................................................................................................131
Applying Ingress ACLs on the Port Extender........................................................................................................132
Applying Egress ACLs.............................................................................................................................................. 133
Applying Layer 3 Egress ACLs on Control-Plane Trac...................................................................................... 133
Counting ACL Hits....................................................................................................................................................134
IP Prex Lists.................................................................................................................................................................. 134
Implementation Information.................................................................................................................................... 134
Conguration Task List for Prex Lists.................................................................................................................. 135
ACL Remarks.................................................................................................................................................................. 138
Conguring a Remark.............................................................................................................................................. 138
Deleting a Remark.................................................................................................................................................... 139
ACL Resequencing......................................................................................................................................................... 139
Resequencing an ACL or Prex List.......................................................................................................................140
Route Maps......................................................................................................................................................................141
Implementation Information..................................................................................................................................... 141
Important Points to Remember..................................................................................................................................... 141
Conguration Task List for Route Maps................................................................................................................ 142
Conguring Match Routes...................................................................................................................................... 144
Conguring Set Conditions..................................................................................................................................... 145
Congure a Route Map for Route Redistribution.................................................................................................146
Congure a Route Map for Route Tagging............................................................................................................147
Continue Clause........................................................................................................................................................147
Conguring a UDF ACL..................................................................................................................................................147
Hot-Lock Behavior......................................................................................................................................................... 149
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