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IBM 12.1(22)EA6 User Manual

Page 5

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Contents

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Cisco Systems Intelligent Gigabit Ethernet Switch Modules for the IBM BladeCenter, Software Configuration Guide

24R9746

Configuring a System Name and Prompt

4-13

Default System Name and Prompt Configuration

4-14

Configuring a System Name

4-14

Understanding DNS

4-14

Default DNS Configuration

4-15

Setting Up DNS

4-15

Displaying the DNS Configuration

4-16

Creating a Banner

4-16

Default Banner Configuration

4-16

Configuring a Message-of-the-Day Login Banner

4-16

Configuring a Login Banner

4-18

Managing the MAC Address Table

4-18

Building the Address Table

4-19

MAC Addresses and VLANs

4-19

Default MAC Address Table Configuration

4-20

Changing the Address Aging Time

4-20

Removing Dynamic Address Entries

4-20

Configuring MAC Address Notification Traps

4-21

Adding and Removing Static Address Entries

4-23

Displaying Address Table Entries

4-24

Managing the ARP Table

4-24

C H A P T E R

5

Configuring Switch-Based Authentication

5-1

Preventing Unauthorized Access to Your Switch

5-1

Protecting Access to Privileged EXEC Commands

5-2

Default Password and Privilege Level Configuration

5-2

Setting or Changing a Static Enable Password

5-3

Protecting Enable and Enable Secret Passwords with Encryption

5-4

Setting a Telnet Password for a Terminal Line

5-5

Configuring Username and Password Pairs

5-6

Configuring Multiple Privilege Levels

5-6

Setting the Privilege Level for a Command

5-7

Changing the Default Privilege Level for Lines

5-8

Logging into and Exiting a Privilege Level

5-8

Controlling Switch Access with TACACS+

5-9

Understanding TACACS+

5-9

TACACS+ Operation

5-11

Configuring TACACS+

5-11

Default TACACS+ Configuration

5-12