Appendix B Formatting the Compact Flash Memory Cards

File and Directory Operations

63930368 bytes total (51007488 bytes free)

Displaying File Content

To display the content of a file in a compact flash memory card, use the more {flash: slot0:} command.

The following example shows sample output from the more {flash: slot0:} command on an internal compact flash card:

Router# more flash:cvg224-i-mz.tmp

00000000: 7F454C46 01020100 00000000 00000000

.ELF

.... ....

....

00000010: 00020061 00000001 80008000 00000034

...a

.... ....

...4

00000020: 00000054 20000001 00340020 00010028

...T

 

... .4.

...(

00000030: 00050008

00000001

0000011C

80008000

....

.... ....

....

00000040: 80008000 00628A44 00650EEC 00000007

.... .b.D .e.l

....

00000050: 0000011C

0000001B

00000001

00000006

....

.... ....

....

00000060: 80008000 0000011C 00004000 00000000

....

....

..@.

....

00000070: 00000000 00000008 00000000 00000021

....

.... ....

...!

00000080: 00000001 00000002 8000C000 0000411C

....

....

..@.

..A.

00000090: 00000700

00000000

00000000

00000004

....

.... ....

....

000000A0: 00000000 00000029 00000001 00000003

....

...

) ....

....

000000B0: 8000C700 0000481C 00000380 00000000

..G.

..

H

....

000000C0: 00000000 00000004 00000000 0000002F

....

.... ....

.../

000000D0: 00000001 10000003 8000CA80 00004B9C

....

....

..J.

..K.

000000E0: 00000020 00000000 00000000 00000008

... .... .... ....

000000F0: 00000000 0000002F 00000001 10000003

....

...

/ ....

....

00000100: 8000CAA0 00004BBC 00623FA4 00000000

..J

..K< .b?$

....

00000110: 00000000 00000008 00000000 3C1C8001

....

.... ....

<...

00000120: 679C4A80 3C018001 AC3DC70C 3C018001

g.J. <

... ,=G. <...

00000130: AC3FC710 3C018001 AC24C714 3C018001

,?G. <

... ,$G. <...

00000140: AC25C718 3C018001 AC26C71C 3C018001

,%G. <

... ,&G. <...

00000150: AC27C720 3C018001 AC30C724 3C018001

,'G

<

... ,0G$ <...

00000160: AC31C728 3C018001 AC32C72C 3C018001

,1G( <

... ,2G, <...

--More-- q

 

 

 

 

 

 

 

Directory Operations for Class C Flash File System

Create a New Directory

To create a directory in compact flash memory, use the mkdir {flash: slot0:} command.

The following example shows sample output for first displaying the contents of an internal compact flash card, and then creating a directory named config and a subdirectory named test-config:

Router# dir flash:

Directory of flash:/

3 -rw-

6458208

Mar 01 1993 00:04:08 cvg224-i-mz.tmp

128094208 bytes total (121634816 bytes free)

Router# mkdir flash:/config

Create directory filename [config]?

Created dir flash:/config

Router# mkdir flash:/config/test-config

Cisco VG224 Voice Gateway Software Configuration Guide

 

B-10

OL-5005-01

 

 

 

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Cisco Systems VG224 Directory Operations for Class C Flash File System, Create a New Directory, Router# mkdir flash/config

VG224 specifications

The Cisco Systems VG224 is a versatile VoIP (Voice over Internet Protocol) gateway designed to facilitate the integration of traditional phone systems with modern IP-based communications. This device plays a crucial role in providing connectivity between analog phones and digital networks, allowing organizations to transition smoothly from legacy telephony systems to IP telephony.

One of the standout features of the VG224 is its ability to support up to 24 analog phone lines. This scalability makes it an ideal choice for small to medium-sized businesses that require a dependable solution to handle their telephony needs without overspending on infrastructure. The VG224 acts as a bridge, converting analog voice signals into digital IP packets, thus enabling seamless communication over the Internet or intranets.

The VG224 is equipped with a range of technologies that enhance its functionality and reliability. Voice activity detection (VAD), comfort noise generation (CNG), and echo cancellation are just some examples of the advanced audio processing techniques integrated into the VG224. These technologies improve call quality by ensuring clear and uninterrupted conversations, even under varying network conditions.

In terms of characteristics, the VG224 features a user-friendly interface with a web-based management console, making it easy for network administrators to configure and manage the device remotely. This streamlined approach to management is crucial for businesses that require quick adjustments to their communication infrastructure without the need for extensive technical knowledge.

The VG224 supports multiple signaling protocols, including H.323, MGCP (Media Gateway Control Protocol), and SIP (Session Initiation Protocol). This flexibility allows it to integrate seamlessly with various IP telephony systems and offers businesses the option to utilize their preferred communication standards. Additionally, the device supports power over Ethernet (PoE), providing the convenience of powering devices through the same cable used for data connectivity, thus reducing the need for additional power sources.

In conclusion, the Cisco Systems VG224 is a robust VoIP gateway that combines advanced technology with user-friendly features. Its capacity to support up to 24 analog lines, along with its compatibility with various signaling protocols, makes it an excellent choice for businesses looking to modernize their telecommunication systems while maintaining the reliability of traditional analog connections. With its ease of management and high-quality voice processing capabilities, the VG224 stands out as a key asset for any organization aiming to optimize its communication infrastructure.