Contents
v
Software Configuration Guide—Release 12.2(25)EW
OL-6696-01
Controlling Access to Privileged EXEC Commands 3-13
Setting or Changing a Static enable Password 3-13
Using the enable password and enable secret Commands 3-14
Setting or Changing a Privileged Password 3-14
Setting TACACS+ Password Protection for Privileged EXEC Mode 3-15
Encrypting Passwords 3-15
Configuring Multiple Privilege Levels 3-16
Recovering a Lost Enable Password 3-18
Modifying the Supervisor Engine Startup Configuration 3-18
Understanding the Supervisor Engine Boot Configuration 3-18
Configuring the Software Configuration Register 3-19
Specifying the Startup System Image 3-23
Controlling Environment Variables 3-24
CHAPTER
4 Configuring Interfaces 4-1
Overview of Interface Configuration 4-1
Using the interface Command 4-2
Configuring a Range of Interfaces 4-4
Defining and Using Interface-Range Macros 4-5
Configuring Optional Interface Features 4-6
Configuring Ethernet Interface Speed and Duplex Mode 4-7
Configuring Jumbo Frame Support 4-10
Interacting with the Baby Giants Feature 4-12
Understanding Online Insertion and Removal 4-13
Monitoring and Maintaining the Interface 4-13
Monitoring Interface and Controller Status 4-13
Clearing and Resetting the Interface 4-14
Shutting Down and Restarting an Interface 4-14
CHAPTER
5 Checking Port Status and Connectivity 5-1
Checking Module Status 5-1
Checking Interfaces Status 5-2
Checking MAC Addresses 5-3
Using Telnet 5-3
Changing the Logout Timer 5-4
Monitoring User Sessions 5-4
Using Ping 5-5
Understanding How Ping Works 5-5