Administrator Guide

Important Points to Remember........................................................................................................................................ 78
Enabling 802.1X................................................................................................................................................................ 79
Conguring Request Identity Re-Transmissions..........................................................................................................80
Conguring a Quiet Period after a Failed Authentication.............................................................................................81
Forcibly Authorizing or Unauthorizing a Port.................................................................................................................... 82
Re-Authenticating a Port..................................................................................................................................................82
Conguring Timeouts....................................................................................................................................................... 83
Conguring Dynamic VLAN Assignment with Port Authentication................................................................................... 84
Guest and Authentication-Fail VLANs........................................................................................................................ 85
Conguring a Guest VLAN......................................................................................................................................... 86
Conguring an Authentication-Fail VLAN................................................................................................................... 86
6 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM)..... 88
Optimizing CAM Utilization During the Attachment of ACLs to VLANs............................................................................88
Guidelines for Conguring ACL VLAN groups...................................................................................................................89
Conguring ACL VLAN Groups and Conguring FP Blocks for VLAN Parameters........................................................... 89
Conguring ACL VLAN Groups.................................................................................................................................. 89
Conguring FP Blocks for VLAN Parameters............................................................................................................. 90
Viewing CAM Usage......................................................................................................................................................... 91
Allocating FP Blocks for VLAN Processes........................................................................................................................ 92
7 Access Control Lists (ACLs).......................................................................................... 94
IP Access Control Lists (ACLs).........................................................................................................................................94
Implementing ACL on the Dell Networking OS................................................................................................................. 95
ACLs and VLANs..............................................................................................................................................................95
ACL Optimization............................................................................................................................................................. 95
Determine the Order in which ACLs are Used to Classify Trac...................................................................................... 95
Example of the order Keyword to Determine ACL Sequence......................................................................................95
IP Fragment Handling.......................................................................................................................................................96
IP Fragments ACL Examples............................................................................................................................................ 96
Layer 4 ACL Rules Examples............................................................................................................................................ 96
Congure a Standard IP ACL............................................................................................................................................97
Conguring a Standard IP ACL Filter................................................................................................................................98
Congure an Extended IP ACL.........................................................................................................................................99
Conguring Filters with a Sequence Number................................................................................................................... 99
Conguring Filters Without a Sequence Number............................................................................................................100
Established Flag..............................................................................................................................................................100
Congure Layer 2 and Layer 3 ACLs...............................................................................................................................100
Assign an IP ACL to an Interface..................................................................................................................................... 101
Applying an IP ACL.......................................................................................................................................................... 101
Counting ACL Hits.......................................................................................................................................................... 102
Congure Ingress ACLs...................................................................................................................................................102
Congure Egress ACLs................................................................................................................................................... 103
Applying Egress Layer 3 ACLs (Control-Plane)................................................................................................................103
IP Prex Lists..................................................................................................................................................................104
Implementation Information...................................................................................................................................... 104
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