Optimizing CAM Utilization During the Attachment of ACLs to VLANs................................................................. 105
Guidelines for Conguring ACL VLAN groups............................................................................................................106
Conguring ACL VLAN Groups and Conguring FP Blocks for VLAN Parameters...............................................107
Conguring ACL VLAN Groups.............................................................................................................................. 107
Conguring FP Blocks for VLAN Parameters.......................................................................................................108
Viewing CAM Usage...................................................................................................................................................... 108
Allocating FP Blocks for VLAN Processes...................................................................................................................110
8 Access Control Lists (ACLs)........................................................................................................................ 111
IP Access Control Lists (ACLs)......................................................................................................................................112
Implementing ACL on the Dell Networking OS........................................................................................................... 112
ACLs and VLANs.............................................................................................................................................................113
ACL Optimization............................................................................................................................................................ 113
Determine the Order in which ACLs are Used to Classify Trac..............................................................................113
Example of the order Keyword to Determine ACL Sequence..............................................................................113
IP Fragment Handling..................................................................................................................................................... 114
IP Fragments ACL Examples..........................................................................................................................................114
Layer 4 ACL Rules Examples......................................................................................................................................... 114
Congure a Standard IP ACL.........................................................................................................................................115
Conguring a Standard IP ACL Filter............................................................................................................................116
Congure an Extended IP ACL...................................................................................................................................... 117
Conguring Filters with a Sequence Number..............................................................................................................117
Conguring Filters Without a Sequence Number........................................................................................................117
Established Flag...............................................................................................................................................................118
Congure Layer 2 and Layer 3 ACLs............................................................................................................................ 118
Assign an IP ACL to an Interface...................................................................................................................................119
Applying an IP ACL..........................................................................................................................................................119
Counting ACL Hits..........................................................................................................................................................120
Congure Ingress ACLs................................................................................................................................................. 120
Congure Egress ACLs..................................................................................................................................................120
Applying Egress Layer 3 ACLs (Control-Plane)........................................................................................................... 121
IP Prex Lists................................................................................................................................................................... 121
Implementation Information.................................................................................................................................... 122
Conguration Task List for Prex Lists........................................................................................................................ 122
Creating a Prex List......................................................................................................................................................122
Creating a Prex List Without a Sequence Number.................................................................................................. 123
Viewing Prex Lists........................................................................................................................................................ 124
Applying a Prex List for Route Redistribution........................................................................................................... 124
Applying a Filter to a Prex List (OSPF)......................................................................................................................125
ACL Remarks.................................................................................................................................................................. 125
Conguring a Remark.............................................................................................................................................. 126
Deleting a Remark.................................................................................................................................................... 126
ACL Resequencing......................................................................................................................................................... 127
Resequencing an ACL or Prex List............................................................................................................................. 127
Route Maps.....................................................................................................................................................................129
Implementation Information.................................................................................................................................... 129
6
Contents