Managing The System Time And Date; Understanding The System Clock - Cisco Catalyst 3120 Software Manual

Administering the Switch
This chapter describes how to perform one-time operations to administer the switch. Unless otherwise
noted, the term switch refers to a standalone switch and to a switch stack.
This chapter consists of these sections:
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Managing the System Time and Date

You can manage the system time and date on your switch using automatic configuration, such as the
Network Time Protocol (NTP), or manual configuration methods.
Note For complete syntax and usage information for the commands used in this section, see the Cisco IOS
Configuration Fundamentals Command Reference, Release 12.2.
These sections contain this configuration information:
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Understanding the System Clock

The heart of the time service is the system clock. This clock runs from the moment the system starts up
and keeps track of the date and time.
The system clock can then be set from these sources:
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OL-12247-01
Managing the System Time and Date, page 6-1
Configuring a System Name and Prompt, page 6-14
Creating a Banner, page 6-17
Managing the MAC Address Table, page 6-19
Managing the ARP Table, page 6-27
Understanding the System Clock, page 6-1
Understanding Network Time Protocol, page 6-2
Configuring NTP, page 6-3
Configuring Time and Date Manually, page 6-11
NTP
Manual configuration
C H A P T E R
Cisco Catalyst Blade Switch 3120 for HP Software Configuration Guide
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6-1