Cisco Catalyst 3120

Contents
vii
Cisco Catalyst Blade Switch 3120 for HP Software Configuration Guide
OL-12247-01
Configuring a System Name and Prompt 6-14
Default System Name and Prompt Configuration 6-15
Configuring a System Name 6-15
Understanding DNS 6-15
Default DNS Configuration 6-16
Setting Up DNS 6-16
Displaying the DNS Configuration 6-17
Creating a Banner 6-17
Default Banner Configuration 6-17
Configuring a Message-of-the-Day Login Banner 6-18
Configuring a Login Banner 6-19
Managing the MAC Address Table 6-19
Building the Address Table 6-20
MAC Addresses and VLANs 6-20
MAC Addresses and Switch Stacks 6-21
Default MAC Address Table Configuration 6-21
Changing the Address Aging Time 6-21
Removing Dynamic Address Entries 6-22
Configuring MAC Address Notification Traps 6-22
Adding and Removing Static Address Entries 6-24
Configuring Unicast MAC Address Filtering 6-25
Displaying Address Table Entries 6-27
Managing the ARP Table 6-27
CHAPTER 7 Configuring Switch-Based Authentication 7-1
Preventing Unauthorized Access to Your Switch 7-1
Protecting Access to Privileged EXEC Commands 7-2
Default Password and Privilege Level Configuration 7-2
Setting or Changing a Static Enable Password 7-3
Protecting Enable and Enable Secret Passwords with Encryption 7-3
Disabling Password Recovery 7-5
Setting a Telnet Password for a Terminal Line 7-6
Configuring Username and Password Pairs 7-6
Configuring Multiple Privilege Levels 7-7
Setting the Privilege Level for a Command 7-8
Changing the Default Privilege Level for Lines 7-9
Logging into and Exiting a Privilege Level 7-9