Appendix B Using the ROM Monitor

ROM Monitor Command Descriptions

boot slot1:3: filename—Boots from the specified Cisco IOS software image in the third partition in the CompactFlash memory card in slot 1.

boot filename tftpserver— Boots from the specified Cisco IOS software image on the specified TFTP server (after first booting from CompactFlash); for example:

boot c3725-is-mz 172.15.19.11

Note Use the CLI commands show version and show hardware to see the source of the currently running Cisco IOS software image.

Informational Commands in the ROM Monitor

dev—Lists boot device identifications on the router; for example:

rommon 10 > dev

Devices in device table:

id name slot0: CF slot 0 eprom: eprom

dir device:[partition:]—Lists the files on the named device; for example:

rommon 11 > dir flash:

 

 

 

File size

Checksum

File name

2229799 bytes (0x220627)

0x469e

C3700-j-m2

help—Shows a summary of ROM monitor commands (equivalent to ?).

meminfo—Displays main memory size, starting address, and available range; size of packet memory; and size of NVRAM. The following example shows the meminfo command:

rommon 9 > meminfo

Main memory size: 16 MB in 32-bit mode.

Available main memory starts at 0xa000e000, size 16328KB

IO (packet) memory size: 25 percent of main memory.

NVRAM size: 128KB

meminfo [-l]—Shows supported DRAM configurations. The following example shows an example of the meminfo -lcommand:

rommon 1> meminfo -l

 

The

following 64 bit memory

configs are supported:

 

 

 

 

-------------------------------------------------

 

 

 

 

 

DIMM SOCKET 0

DIMM SOCKET 1

TOTAL MEMORY

 

-------------

-------------

------------

 

 

 

16

MB

0

MB

16

MB

16

MB

16

MB

32

MB

32

MB

0

MB

32

MB

32

MB

16

MB

48

MB

32

MB

32

MB

64

MB

64

MB

0

MB

64

MB

64

MB

16

MB

80

MB

64

MB

32

MB

96

MB

64

MB

64

MB

128

MB

128

MB

0

MB

128

MB

128

MB

16

MB

144

MB

 

 

 

 

 

Cisco 3700 Series Routers Hardware Installation Guide

 

 

 

 

 

 

 

 

 

 

OL-2180-08

 

 

 

 

 

 

B-5

 

 

 

 

 

 

 

 

 

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Cisco Systems 3700 Series manual Informational Commands in the ROM Monitor

3700 Series specifications

Cisco Systems 3700 Series routers are a pivotal part of Cisco's portfolio, designed for medium to large enterprises aiming to deliver secure and efficient networking capabilities. Introduced as a versatile solution, these routers provide a comprehensive blend of performance, scalability, and investment protection.

One of the standout features of the Cisco 3700 Series is its modular architecture, allowing organizations to customize their router according to specific needs. This modularity supports various modules for different functions, including voice, data, and video, making the 3700 Series an ideal choice for converged networking environments. Administrators can enhance functionality through an array of WAN and voice interface cards that adapt as the organization's needs evolve.

The 3700 Series is built on Cisco's IOS (Internetwork Operating System), ensuring robust and high-quality performance. It supports advanced routing protocols including EIGRP, OSPF, and BGP, facilitating efficient data transmission across diverse environments. This versatility helps organizations implement sophisticated multi-site connectivity and enables reliable performance in complex network scenarios.

Security is a paramount concern in modern networking, and the Cisco 3700 Series delivers with features such as integrated firewall services, VPN support, and intrusion detection capabilities. These security measures protect sensitive data and ensure secure communication between remote sites—critical in today’s cyber landscape.

Another key characteristic of the 3700 Series is its support for Quality of Service (QoS), which prioritizes time-sensitive traffic such as voice and video. By ensuring that critical applications receive the bandwidth they require, organizations can maintain the quality of service that their users expect.

Moreover, the Cisco 3700 Series is designed with redundancy in mind. Features like dual power supplies and hot-swappable fan trays enhance reliability and uptime, which are crucial for mission-critical applications.

Furthermore, energy efficiency is an increasingly important consideration in network design. The Cisco 3700 Series adheres to modern energy standards, helping reduce the overall carbon footprint while supporting high-performance capabilities.

In summary, the Cisco Systems 3700 Series routers stand out for their modularity, advanced routing capabilities, robust security features, and energy efficiency, making them an optimal choice for enterprises that not only need performance but also flexibility and reliability in their networking solutions. As businesses continue to evolve and adapt, the Cisco 3700 Series is a dependable partner in their connectivity journey, ensuring they can meet current demands while preparing for future challenges.