Contents
vii
Catalyst 3560 Switch Software Configuration Guide
78-16156-01
C H A P T E R
6
Administering the Switch
6-1
Managing the System Time and Date
6-1
Understanding the System Clock
6-2
Understanding Network Time Protocol
6-2
Configuring NTP
6-4
Default NTP Configuration
6-4
Configuring NTP Authentication
6-5
Configuring NTP Associations
6-6
Configuring NTP Broadcast Service
6-7
Configuring NTP Access Restrictions
6-8
Configuring the Source IP Address for NTP Packets
6-10
Displaying the NTP Configuration
6-11
Configuring Time and Date Manually
6-11
Setting the System Clock
6-11
Displaying the Time and Date Configuration
6-12
Configuring the Time Zone
6-12
Configuring Summer Time (Daylight Saving Time)
6-13
Configuring a System Name and Prompt
6-15
Default System Name and Prompt Configuration
6-15
Configuring a System Name
6-15
Configuring a System Prompt
6-16
Understanding DNS
6-16
Default DNS Configuration
6-17
Setting Up DNS
6-17
Displaying the DNS Configuration
6-18
Creating a Banner
6-18
Default Banner Configuration
6-18
Configuring a Message-of-the-Day Login Banner
6-19
Configuring a Login Banner
6-20
Managing the MAC Address Table
6-21
Building the Address Table
6-21
MAC Addresses and VLANs
6-22
Default MAC Address Table Configuration
6-22
Changing the Address Aging Time
6-22
Removing Dynamic Address Entries
6-23
Configuring MAC Address Notification Traps
6-23