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Configuring Concurrent Session Limit......................................................................................... 81
Enabling the System to Clear Existing Sessions...........................................................................82
Track Login Activity.............................................................................................................................83
Restrictions for Tracking Login Activity........................................................................................83
Configuring Login Activity Tracking............................................................................................. 83
Display Login Statistics..................................................................................................................84
Recovering from a Forgotten Password............................................................................................ 85
Recovering from a Forgotten Enable Password................................................................................86
Recovering from a Failed Start........................................................................................................... 86
5 802.1X................................................................................................................... 88
The Port-Authentication Process.......................................................................................................90
EAP over RADIUS...........................................................................................................................92
Configuring 802.1X............................................................................................................................. 92
Related Configuration Tasks.........................................................................................................92
Important Points to Remember..........................................................................................................93
Enabling 802.1X...................................................................................................................................93
Configuring Request Identity Re-Transmissions......................................................................... 95
Configuring a Quiet Period after a Failed Authentication........................................................... 95
Forcibly Authorizing or Unauthorizing a Port....................................................................................96
Re-Authenticating a Port.................................................................................................................... 97
Configuring Timeouts.........................................................................................................................98
Configuring Dynamic VLAN Assignment with Port Authentication..................................................99
Guest and Authentication-Fail VLANs........................................................................................100
Configuring a Guest VLAN.......................................................................................................... 101
Configuring an Authentication-Fail VLAN.................................................................................. 101
6 Access Control List (ACL) VLAN Groups and Content Addressable
Memory (CAM)......................................................................................................103
Optimizing CAM Utilization During the Attachment of ACLs to VLANs......................................... 103
Guidelines for Configuring ACL VLAN groups.................................................................................104
Configuring ACL VLAN Groups and Configuring FP Blocks for VLAN Parameters........................105
Configuring ACL VLAN Groups...................................................................................................105
Configuring FP Blocks for VLAN Parameters.............................................................................106
Viewing CAM Usage..........................................................................................................................107
Allocating FP Blocks for VLAN Processes........................................................................................ 108
7 Access Control Lists (ACLs).............................................................................110
IP Access Control Lists (ACLs)...........................................................................................................110
Implementing ACL on the Dell Networking OS................................................................................111
ACLs and VLANs.................................................................................................................................111
ACL Optimization...............................................................................................................................111
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