Specifications

Contents
ix
Catalyst 2970 Switch Software Configuration Guide
78-15462-03
Configuring SSH 7-39
Configuration Guidelines 7-39
Setting Up the Switch to Run SSH 7-39
Configuring the SSH Server 7-40
Displaying the SSH Configuration and Status 7-41
CHAPTER 8 Configuring 802.1X Port-Based Authentication 8-1
Understanding 802.1X Port-Based Authentication 8-1
Device Roles 8-2
Authentication Initiation and Message Exchange 8-3
Ports in Authorized and Unauthorized States 8-4
Supported Topologies 8-5
Using 802.1X with Port Security 8-6
Using 802.1X with Voice VLAN Ports 8-6
Using 802.1X with VLAN Assignment 8-7
Using 802.1X with Guest VLAN 8-8
Using 802.1X with Per-User ACLs 8-9
Configuring 802.1X Authentication 8-9
Default 802.1X Configuration 8-10
802.1X Configuration Guidelines 8-11
Upgrading from a Previous Software Release 8-12
Configuring 802.1X Authentication 8-12
Configuring the Switch-to-RADIUS-Server Communication 8-13
Configuring Periodic Re-Authentication 8-14
Manually Re-Authenticating a Client Connected to a Port 8-15
Changing the Quiet Period 8-15
Changing the Switch-to-Client Retransmission Time 8-16
Setting the Switch-to-Client Frame-Retransmission Number 8-17
Configuring the Host Mode 8-17
Configuring a Guest VLAN 8-18
Resetting the 802.1X Configuration to the Default Values 8-19
Displaying 802.1X Statistics and Status 8-19
CHAPTER 9 Configuring Interface Characteristics 9-1
Understanding Interface Types 9-1
Port-Based VLANs 9-2
Switch Ports 9-2
Access Ports 9-2
Trunk Ports 9-3