Cisco 3700 series User Manual

B-2
Cisco 3700 Series Routers Hardware Installation Guide
OL-2180-08
Appendix B Using the ROM Monitor
ROM Monitor Commands
The two methods of entering the ROM monitor mode are as follows.
Enter ROM Monitor Mode by Using the reload Command
Connect to the router from a console, and follow these steps:
Step 1 Restart the router with the reload command.
Router# reload
Step 2 Press the Break key during the first 60 seconds of the system booting.
This forces the router into ROM monitor mode, and the ROM monitor prompt appears:
rommon 1>
Enter ROM Monitor Mode by Resetting the Configuration Register
Connect to the router from a console, and follow these steps:
Step 1 Set the bits 3, 2, 1, and 0 of the configuration register to zero.
Router# configuration-register 0x0
Step 2 Restart the router with the reload command.
Router# reload
The router boots into ROM monitor mode, and the ROM monitor prompt is displayed:
rommon 1>
Note The number that appears in the ROM monitor prompt (1>, 2>, and so forth) is the line number. It
increments each time you enter a ROM monitor command.
ROM Monitor Commands
Enter ? or help at the ROM monitor prompt to see a list of available commands. For example:
rommon 1> ?
alias set and display aliases command
boot boot up an external process
break set/show/clear the breakpoint
confreg configuration register utility
cont continue executing a downloaded image
context display the context of a loaded image
cookie display contents of cookie PROM in hex
dev list the device table
dir list files in the file system
dis display instruction stream
dnld serial download a program module
frame print out a selected stack frame

Cisco 3700 series Specifications

General

Connectivity Technology	Wired
Operating System	Cisco IOS
Operating Temperature	32 to 104°F (0 to 40°C)
Storage Temperature	-4 to 149°F (-20 to 65°C)
Routing Protocols	BGP, OSPF, EIGRP, RIP, IS-IS
Network Management	SNMP, CiscoWorks
Security Features	ACLs, VPN, Firewall, RADIUS, TACACS+
Product Type	Network Router
Data Link Protocol	Ethernet, Fast Ethernet, Gigabit Ethernet, Serial, Frame Relay, ATM
Network/Transport Protocol	TCP/IP, UDP
Remote Management Protocol	SNMP, Telnet, SSH
Features	Quality of Service (QoS)
WAN Interfaces	Serial, ISDN, Frame Relay, ATM
LAN Interfaces	Ethernet, Fast Ethernet, Gigabit Ethernet
Processor	Motorola PowerPC
Interfaces	Variety of modular interface cards including Ethernet, Fast Ethernet, Gigabit Ethernet, Serial, ISDN, ATM, and Voice/WAN Interface Cards (VICs/VWICs)