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Chapter 5
Administering the Access PointWireless Device Access
Configuring ARP Caching
Beginning in privileged EXEC mode, follow these steps to configure the wireless device to maintain an
ARP cache for associated clients:
Command
Step 1
configure terminal
Step 2
dot11 arp-cache [ optional ]
Step 3
end
Step 4
show running-config
Step 5
copy running-config startup-config
This example shows how to configure ARP caching on an access point:
AP# configure terminal
AP(config)# dot11 arp-cache
AP(config)# end
Managing the System Time and Date
You can manage the system time and date on the wireless device automatically, using the Simple
Network Time Protocol (SNTP), or manually, by setting the time and date on the wireless device.
Note
For complete syntax and usage information for the commands used in this section, refer to the Cisco IOS
Configuration Fundamentals Command Reference for Release 12.3.
This section contains this configuration information:
•
•
•
Understanding Simple Network Time Protocol
Simple Network Time Protocol (SNTP) is a simplified, client-only version of NTP. SNTP can only
receive the time from NTP servers; it cannot be used to provide time services to other systems. SNTP
typically provides time within 100 milliseconds of the accurate time, but it does not provide the complex
filtering and statistical mechanisms of NTP.
OL-14209-01
Purpose
Enter global configuration mode.
Enable ARP caching on the wireless device.
Return to privileged EXEC mode.
Verify your entries.
(Optional) Save your entries in the configuration file.
Understanding Simple Network Time Protocol, page 5-27
Configuring SNTP, page 5-28
Configuring Time and Date Manually, page 5-28
•
(Optional) Use the optional keyword to enable ARP caching only for
the client devices whose IP addresses are known to the wireless
device.
Cisco IOS Software Configuration Guide for Cisco Aironet Access Points
Managing the System Time and Date
5-27
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