viii
Configuring Switch Ports as 802.1X Authenticators . . . . . . . . . . . . . . . . . 8-15
1. Enable 802.1X Authentication on Selected Ports . . . . . . . . . . . . . . 8-15
3. Configure the 802.1X Authentication Method . . . . . . . . . . . . . . . . . 8-19
4. Enter the RADIUS Host IP Address(es) . . . . . . . . . . . . . . . . . . . . . . 8-20
5. Enable 802.1X Authentication on the Switch . . . . . . . . . . . . . . . . . 8-20
802.1X Open VLAN Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-21
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-21
Use Models for 802.1X Open VLAN Modes . . . . . . . . . . . . . . . . . . . . . 8-22
Operating Rules for Authorized-Client and Unauthorized-Client VLANs
8-25
Setting Up and Configuring 802.1X Open VLAN Mode . . . . . . . . . . . . 8-27
802.1X Open VLAN Operating Notes . . . . . . . . . . . . . . . . . . . . . . . . . . 8-31
Option For Authenticator Ports: Configure Port-Security To Allow Only
802.1X Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-32
Configuring Switch Ports To Operate As Supplicants for 802.1X Connections
to Other Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-34
Displaying 802.1X Configuration, Statistics, and Counters . . . . . . . . . . . . 8-38
Show Commands for Port-Access Authenticator . . . . . . . . . . . . . . . . 8-38
Viewing 802.1X Open VLAN Mode Status . . . . . . . . . . . . . . . . . . . . . . 8-40
Show Commands for Port-Access Supplicant . . . . . . . . . . . . . . . . . . . 8-43
How RADIUS/802.1X Authentication Affects VLAN Operation . . . . . . . . 8-44
Messages Related to 802.1X Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-48
9 Configuring and Monitoring Port Security
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2
Basic Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2
Blocking Unauthorized Traffic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-3
Trunk Group Exclusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-4
Planning Port Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-5
Port Security Command Options and Operation . . . . . . . . . . . . . . . . . . . . . 9-6
Retention of Static MAC Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-10
Displaying Current Port Security Settings . . . . . . . . . . . . . . . . . . . . . . 9-10
Configuring Port Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-12
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