Cisco 2800 Series User Manual

7
Using the ROM Monitor
OL-5997-02
How to Use the ROM Monitor—Typical Tasks
SUMMARY STEPS
1. enable
2. configure terminal
3. config-register 0x0
4. exit
5. write memory
6. reload
DETAILED STEPS
Command or Action Purpose
Step 1
enable
Example:
Router> enable
Enables privileged EXEC mode.
• Enter your password if prompted.
Step 2
configure terminal
Example:
Router# configure terminal
Enters global configuration mode.
Step 3
config-register 0x0
Example:
Router(config)# config-register 0x0
Changes the configuration register settings.
• The 0x0 setting forces the router to boot to the ROM
monitor at the next system reload.
Step 4
exit
Example:
Router(config)# exit
Exits global configuration mode.
Step 5
write memory
Example:
Router# write memory
Sets to boot the system image from flash memory.
Step 6
reload
Example:
Router# reload
<output deleted>
rommon 1>
Reloads the operating system.
• Because of the 0x0 configuration register setting, the
router boots to ROM monitor mode.

Cisco 2800 Series Specifications

General

Power Supply	Internal power supply
Product Type	Router
Form Factor	Rack-mountable
Connectivity Technology	Wired
Power Device	Internal power supply
Operating System	Cisco IOS
Integrated Services	Security, voice
WAN Interfaces	T1/E1, Serial
LAN Interfaces	Fast Ethernet, Gigabit Ethernet
Expansion Slots	4
Data Link Protocol	Ethernet, Fast Ethernet, Gigabit Ethernet
Network/Transport Protocol	IP, TCP
Remote Management Protocol	SNMP, Telnet
Features	VPN support, Quality of Service (QoS), VLAN support
Voltage Required	AC 100-240 V
Security Features	Firewall, VPN, Access Control Lists (ACLs)