Contents
viii
Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide
78-11380-10
Creating a Switch Cluster 7-18
Enabling a Command Switch 7-18
Adding Member Switches 7-19
Creating a Cluster Standby Group 7-21
Verifying a Switch Cluster 7-22
Using the CLI to Manage Switch Clusters 7-23
Catalyst 1900 and Catalyst 2820 CLI Considerations 7-24
Using SNMP to Manage Switch Clusters 7-24
CHAPTER
8 Administering the Switch 8-1
Managing the System Time and Date 8-1
Understanding the System Clock 8-1
Understanding Network Time Protocol 8-2
Configuring NTP 8-3
Default NTP Configuration 8-4
Configuring NTP Authentication 8-4
Configuring NTP Associations 8-6
Configuring NTP Broadcast Service 8-7
Configuring NTP Access Restrictions 8-8
Configuring the Source IP Address for NTP Packets 8-10
Displaying the NTP Configuration 8-11
Configuring Time and Date Manually 8-11
Setting the System Clock 8-12
Displaying the Time and Date Configuration 8-12
Configuring the Time Zone 8-13
Configuring Summer Time (Daylight Saving Time) 8-14
Configuring a System Name and Prompt 8-16
Default System Name and Prompt Configuration 8-16
Configuring a System Name 8-16
Configuring a System Prompt 8-17
Understanding DNS 8-17
Default DNS Configuration 8-18
Setting Up DNS 8-18
Displaying the DNS Configuration 8-19
Creating a Banner 8-19
Default Banner Configuration 8-19
Configuring a Message-of-the-Day Login Banner 8-20
Configuring a Login Banner 8-21
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