Contents
viii
Catalyst 3550 Multilayer Switch Software Configuration Guide
78-11194-03
Managing the System Time and Date
6-32
Understanding the System Clock
6-32
Understanding Network Time Protocol
6-32
Configuring NTP
6-34
Default NTP Configuration
6-35
Configuring NTP Authentication
6-35
Configuring NTP Associations
6-36
Configuring NTP Broadcast Service
6-37
Configuring NTP Access Restrictions
6-38
Configuring the Source IP Address for NTP Packets
6-40
Displaying the NTP Configuration
6-41
Configuring Time and Date Manually
6-41
Setting the System Clock
6-42
Displaying the Time and Date Configuration
6-42
Configuring the Time Zone
6-43
Configuring Summer Time (Daylight Saving Time)
6-44
Configuring a System Name and Prompt
6-46
Default System Name and Prompt Configuration
6-46
Configuring a System Name
6-46
Configuring a System Prompt
6-47
Understanding DNS
6-47
Default DNS Configuration
6-48
Setting Up DNS
6-48
Displaying the DNS Configuration
6-49
Creating a Banner
6-49
Default Banner Configuration
6-49
Configuring a Message-of-the-Day Login Banner
6-50
Configuring a Login Banner
6-51
Managing the MAC Address Table
6-51
Building the Address Table
6-52
MAC Addresses and VLANs
6-52
Default MAC Address Table Configuration
6-53
Changing the Address Aging Time
6-53
Removing Dynamic Address Entries
6-54
Configuring MAC Address Notification Traps
6-54
Adding and Removing Static Address Entries
6-56
Displaying Address Table Entries
6-57
Optimizing System Resources for User-Selected Features
6-57
Using the Templates
6-59
