Contents
xxiii
Catalyst 3750 Switch Software Configuration Guide
OL-8550-02
Configuring Protected Ports 25-5
Default Protected Port Configuration 25-6
Protected Port Configuration Guidelines 25-6
Configuring a Protected Port 25-6
Configuring Port Blocking 25-7
Default Port Blocking Configuration 25-7
Blocking Flooded Traffic on an Interface 25-7
Configuring Port Security 25-8
Understanding Port Security 25-8
Secure MAC Addresses 25-8
Security Violations 25-9
Default Port Security Configuration 25-10
Port Security Configuration Guidelines 25-10
Enabling and Configuring Port Security 25-12
Enabling and Configuring Port Security Aging 25-15
Port Security and Switch Stacks 25-17
Displaying Port-Based Traffic Control Settings 25-17
CHAPTER
26 Configuring CDP 26-1
Understanding CDP 26-1
CDP and Switch Stacks 26-2
Configuring CDP 26-2
Default CDP Configuration 26-2
Configuring the CDP Characteristics 26-2
Disabling and Enabling CDP 26-3
Disabling and Enabling CDP on an Interface 26-4
Monitoring and Maintaining CDP 26-5
CHAPTER
27 Configuring UDLD 27-1
Understanding UDLD 27-1
Modes of Operation 27-1
Methods to Detect Unidirectional Links 27-2
Configuring UDLD 27-4
Default UDLD Configuration 27-4
Configuration Guidelines 27-4
Enabling UDLD Globally 27-5
Enabling UDLD on an Interface 27-6
Resetting an Interface Disabled by UDLD 27-6
Displaying UDLD Status 27-7
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