Contents
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Catalyst 3750 Switch Software Configuration Guide
78-16180-02
Understanding Port Security 24-7
Secure MAC Addresses 24-7
Security Violations 24-8
Default Port Security Configuration 24-9
Configuration Guidelines 24-10
Enabling and Configuring Port Security 24-10
Enabling and Configuring Port Security Aging 24-14
Port Security and Switch Stacks 24-15
Displaying Port-Based Traffic Control Settings 24-16
CHAPTER
25 Configuring CDP 25-1
Understanding CDP 25-1
CDP and Switch Stacks 25-2
Configuring CDP 25-2
Default CDP Configuration 25-2
Configuring the CDP Characteristics 25-2
Disabling and Enabling CDP 25-3
Disabling and Enabling CDP on an Interface 25-4
Monitoring and Maintaining CDP 25-5
CHAPTER
26 Configuring UDLD 26-1
Understanding UDLD 26-1
Modes of Operation 26-1
Methods to Detect Unidirectional Links 26-2
Configuring UDLD 26-4
Default UDLD Configuration 26-4
Configuration Guidelines 26-4
Enabling UDLD Globally 26-5
Enabling UDLD on an Interface 26-6
Resetting an Interface Disabled by UDLD 26-6
Displaying UDLD Status 26-7
CHAPTER
27 Configuring SPAN and RSPAN 27-1
Understanding SPAN and RSPAN 27-1
Local SPAN 27-2
Remote SPAN 27-3
SPAN and RSPAN Concepts and Terminology 27-4
SPAN Sessions 27-4
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