General Setup Procedure for 802.1X Access Control . . . . . . . . . . . . . . . . 8-14 Do These Steps Before You Configure 802.1X Operation . . . . . . . . . 8-14 Overview: Configuring 802.1X Authentication on the Switch . . . . . . 8-15

Configuring Switch Ports as 802.1X Authenticators . . . . . . . . . . . . . . . . . 8-17 1. Enable 802.1X Authentication on Selected Ports . . . . . . . . . . . . . . 8-17

2. Reconfigure Settings for Port-Access . . . . . . . . . . . . . . . . . . . . . . . .8-20

3. Configure the 802.1X Authentication Method . . . . . . . . . . . . . . . . . 8-23

4. Enter the RADIUS Host IP Address(es) . . . . . . . . . . . . . . . . . . . . . . 8-24

5. Enable 802.1X Authentication on the Switch . . . . . . . . . . . . . . . . . 8-24

6. Optionally Resetting Authenticator Operation . . . . . . . . . . . . . . . . 8-25

802.1X Open VLAN Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8-26

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8-26

VLAN Membership Priorities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8-27

Use Models for 802.1X Open VLAN Modes . . . . . . . . . . . . . . . . . . . . .

8-28

Operating Rules for Authorized-Client and

 

Unauthorized-Client VLANs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8-31

Setting Up and Configuring 802.1X Open VLAN Mode . . . . . . . . . . . .

8-34

802.1X Open VLAN Operating Notes . . . . . . . . . . . . . . . . . . . . . . . . . .

8-38

Option For Authenticator Ports: Configure Port-Security To Allow

Only 802.1X Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-40

Configuring Switch Ports To Operate As

Supplicants for 802.1X Connections to Other Switches . . . . . . . . . . . . . . 8-42

Displaying 802.1X Configuration, Statistics, and Counters . . . . . . . . . . . . 8-47 Show Commands for Port-Access Authenticator . . . . . . . . . . . . . . . . 8-47 Viewing 802.1X Open VLAN Mode Status . . . . . . . . . . . . . . . . . . . . . . 8-50 Show Commands for Port-Access Supplicant . . . . . . . . . . . . . . . . . . . 8-53

How RADIUS/802.1X Authentication Affects VLAN Operation . . . . . . . . 8-54

Messages Related to 802.1X Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-58

viii