
| 
 | 
 | 
 | Configuring the HP AdvanceStack Internet Router | |||
| 
 | 
 | 
 | Cisco IOS Software Basics | |||
| Table  | Cisco IOS Operating Modes | 
 | 
 | 
 | 
 | |
| 
 | 
 | 
 | 
 | 
 | 
 | |
| Mode of | 
 | Usage | How to Enter the Mode | Prompt | ||
| Operation | 
 | 
 | 
 | 
 | 
 | 
 | 
| 
 | 
 | 
 | 
 | 
 | 
 | |
| User EXEC | 
 | User EXEC commands allow you to | Log in. | Router> | ||
| 
 | 
 | connect to remote devices, change | 
 | 
 | 
 | 
 | 
| 
 | 
 | terminal settings on a temporary basis, | 
 | 
 | 
 | 
 | 
| 
 | 
 | perform basic tests, and list system | 
 | 
 | 
 | 
 | 
| 
 | 
 | information. The EXEC commands | 
 | 
 | 
 | 
 | 
| 
 | 
 | available at the user level are a subset | 
 | 
 | 
 | 
 | 
| 
 | 
 | of those available at the privileged | 
 | 
 | 
 | 
 | 
| 
 | 
 | level. | 
 | 
 | 
 | 
 | 
| 
 | 
 | 
 | 
 | 
 | ||
| Privileged EXEC | Privileged EXEC commands set | From user EXEC mode, enter the | Router# | |||
| 
 | 
 | operating parameters. The privileged | enable EXEC command. | 
 | 
 | 
 | 
| 
 | 
 | command set includes those | 
 | 
 | 
 | 
 | 
| 
 | 
 | commands contained in user EXEC | 
 | 
 | 
 | 
 | 
| 
 | 
 | mode, and also the configure | 
 | 
 | 
 | 
 | 
| 
 | 
 | command through which you can | 
 | 
 | 
 | 
 | 
| 
 | 
 | access the remaining command | 
 | 
 | 
 | 
 | 
| 
 | 
 | modes. Privileged EXEC mode also | 
 | 
 | 
 | 
 | 
| 
 | 
 | includes  | 
 | 
 | 
 | 
 | 
| 
 | 
 | such as debug. | 
 | 
 | 
 | 
 | 
| 
 | 
 | 
 | 
 | 
 | 
 | |
| Global | 
 | Global configuration commands apply | From global configuration mode, | Router(config)# | ||
| configuration | 
 | to features that affect the system as a | enter the configure privileged | 
 | 
 | 
 | 
| 
 | 
 | whole. | EXEC command. | 
 | 
 | 
 | 
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
| Interface | 
 | Interface configuration commands | From global configuration mode, | 
 | ||
| configuration | 
 | modify the operation of an interface | enter the interface type number | 
 | 
 | Configuration | 
| 
 | 
 | an interface global configuration | command. For example, enter the | 
 | 
 | |
| 
 | 
 | such as an Ethernet, ISDN, or serial | 
 | 
 | 
 | |
| 
 | 
 | port. Many features are enabled on a | interface serial 0 command to | 
 | 
 | 
 | 
| 
 | 
 | configure the serial 0 interface. | 
 | 
 | 
 | |
| 
 | 
 | configuration commands always follow | 
 | 
 | 
 | 
 | 
| 
 | 
 | command, which defines the interface | 
 | 
 | 
 | 
 | 
| 
 | 
 | type. | 
 | 
 | 
 | 
 | 
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
| ROM monitor | 
 | ROM monitor commands are used to | From privileged EXEC mode, enter | > | 
 | 
 | 
| 
 | 
 | perform  | the reload EXEC command or | 
 | 
 | 
 | 
| 
 | 
 | also use the ROM monitor commands | 
 | 
 | 
 | |
| 
 | 
 | to recover from a system failure and | Press Break during the first | 
 | 
 | 
 | 
| 
 | 
 | stop the boot process in a specific | 60 seconds while the system is | 
 | 
 | 
 | 
| 
 | 
 | operating environment.a | booting. | 
 | 
 | 
 | 
a.You can modify the configuration register value using the