Specifications

5-25
Cisco IOS Software Configuration Guide for Cisco Aironet Access Points
OL-5260-01
Chapter 5 Administering the Access Point
Managing the System Time and Date
This section contains this configuration information:
• Default NTP Configuration, page 5-25
• Configuring NTP Authentication, page 5-25
• Configuring NTP Associations, page 5-27
• Configuring NTP Broadcast Service, page 5-28
• Configuring NTP Access Restrictions, page 5-29
• Configuring the Source IP Address for NTP Packets, page 5-31
• Displaying the NTP Configuration, page 5-32
Default NTP Configuration
Table 5-4 shows the default NTP configuration.
NTP is disabled by default.
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 access point 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:
Table 5-4 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 determined 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.