Contents
viii
Cisco IE 3000 Switch Software Configuration Guide
OL-13018-03
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 8-5
Configuring NTP Broadcast Service 8-6
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 8-11
Displaying the Time and Date Configuration 8-12
Configuring the Time Zone 8-12
Configuring Summer Time (Daylight Saving Time) 8-13
Configuring a System Name and Prompt 8-14
Default System Name and Prompt Configuration 8-15
Configuring a System Name 8-15
Understanding DNS 8-15
Default DNS Configuration 8-16
Setting Up DNS 8-16
Displaying the DNS Configuration 8-17
Creating a Banner 8-17
Default Banner Configuration 8-17
Configuring a Message-of-the-Day Login Banner 8-18
Configuring a Login Banner 8-18
Managing the MAC Address Table 8-19
Building the Address Table 8-20
MAC Addresses and VLANs 8-20
Default MAC Address Table Configuration 8-20
Changing the Address Aging Time 8-21
Removing Dynamic Address Entries 8-21
Configuring MAC Address Notification Traps 8-21
Adding and Removing Static Address Entries 8-23
Configuring Unicast MAC Address Filtering 8-24
Disabling MAC Address Learning on a VLAN 8-25
Displaying Address Table Entries 8-27