Contents
xiv
Catalyst 3550 Multilayer Switch Software Configuration Guide
78-11194-03
Configuring Port Blocking
12-6
Blocking Flooded Traffic on an Interface
12-6
Resuming Normal Forwarding on a Port
12-7
Configuring Port Security
12-8
Understanding Port Security
12-8
Default Port Security Configuration
12-9
Configuration Guidelines
12-9
Enabling and Configuring Port Security
12-9
Displaying Port-Based Traffic Control Settings
12-11
C H A P T E R
13
Configuring CDP
13-1
Understanding CDP
13-1
Configuring CDP
13-2
Default CDP Configuration
13-2
Configuring the CDP Characteristics
13-2
Disabling and Enabling CDP
13-3
Disabling and Enabling CDP on an Interface
13-4
Monitoring and Maintaining CDP
13-5
C H A P T E R
14
Configuring UDLD
14-1
Understanding UDLD
14-1
Configuring UDLD
14-3
Default UDLD Configuration
14-3
Enabling UDLD Globally
14-3
Enabling UDLD on an Interface
14-4
Resetting an Interface Shut Down by UDLD
14-4
Displaying UDLD Status
14-5
C H A P T E R
15
Configuring SPAN
15-1
Understanding SPAN
15-1
SPAN Concepts and Terminology
15-2
SPAN Session
15-2
Traffic Types
15-3
Source Port
15-4
Destination Port
15-4
VLAN-Based SPAN
15-5
SPAN Traffic
15-5
SPAN Interaction with Other Features
15-5
