Cisco Systems 3130 User Manual
6-4
Cisco Catalyst Blade Switch 3130 for Dell Software Configuration Guide
OL-13270-01
Chapter 6 Administering the Switch
Managing the System Time and Date
These sections contain this configuration information:
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Default NTP Configuration
shows the default NTP configuration.
NTP is enabled on all interfaces by default. All interfaces receive NTP packets.
Configuring NTP Authentication
This procedure must be coordinated with the administrator of the NTP server; the information you
configure in this procedure must be matched by the servers used by the switch to synchronize its time to
the NTP server.
configure in this procedure must be matched by the servers used by the switch to synchronize its time to
the NTP server.
Beginning in privileged EXEC mode, follow these steps to authenticate the associations (communications
between devices running NTP that provide for accurate timekeeping) with other devices for security
purposes:
between devices running NTP that provide for accurate timekeeping) with other devices for security
purposes:
Table 6-1
Default NTP Configuration
Feature
Default Setting
NTP authentication
Disabled. No authentication key is specified.
NTP peer or server associations
None configured.
NTP broadcast service
Disabled; no interface sends or receives NTP broadcast packets.
NTP access restrictions
No access control is specified.
NTP packet source IP address
The source address is set by the outgoing interface.
Command
Purpose
Step 1
configure terminal
Enter global configuration mode.
Step 2
ntp authenticate
Enable the NTP authentication feature, which is disabled by
default.
default.