Chapter 5 Installing Memory in the Router

Installing and Formatting Compact Flash Memory Cards in Cisco 3631 Routers

Base

FAT Sector

128

Base

Data Sector

184

Please use "dir" command to display the contents of the card.

The following example shows output for an internal Compact Flash memory card formatted with a Class B Flash file system:

Router# show flash:

System CompactFlash directory:

File Length Name/status

15190020 c3631-i-mz

26458584 c3725-i-mz

316535740 c3631-telcoent-mz

[28184536 bytes used, 100266024 available, 128450560 total]

125440K bytes of ATA System CompactFlash (Read/Write)

Formatting Compact Flash Memory as a DOS File System

To format a Compact Flash memory card with a Class C Flash file system, use the format command.

To format a new internal Compact Flash memory card, or to remove the files from a previously installed internal Compact Flash memory card, enter the format flash: command.

The following example shows output for formatting an internal Compact Flash memory card formatted with a Class C Flash file system:

Router# format flash:

Format operation may take a while. Continue? [confirm]

Format operation will destroy all data in "flash:". Continue? [confirm] Enter volume ID (up to 64 chars)[default flash]:

Current Low End File System flash card in flash will be formatted into DOS File System flash card! Continue? [confirm]

Format:Drive communication & 1st Sector Write OK...

Writing Monlib sectors ...................................................................

Monlib write complete

..

Format:All system sectors written. OK...

Format:Total sectors in formatted partition:250592

Format:Total bytes in formatted partition:128303104

Format:Operation completed successfully.

Format of flash complete

Formatting Compact Flash Memory as a Class B Flash File System

 

 

 

To format a Compact Flash memory card with a Class B Flash file system (LEFS), use the erase

 

 

 

command.

 

 

 

To format a new internal Compact Flash memory card, or to remove the files from a previously installed

 

 

 

internal Compact Flash memory card, enter the erase flash: command.

 

 

 

The following example shows output for formatting an internal Compact Flash memory card with a

 

 

 

Class B Flash file system:

 

 

 

Router# erase flash:

 

 

 

Erasing the flash filesystem will remove all files! Continue? [confirm]

 

 

 

Current DOS File System flash card in flash: will be formatted into Low

 

 

 

End File System flash card! Continue? [confirm]

 

 

 

Erasing device...

 

 

 

Cisco 3600 Series Hardware Installation Guide

 

 

 

 

5-50

 

OL-2056-02

 

 

 

 

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Cisco Systems OL-2056-02 manual Formatting Compact Flash Memory as a DOS File System, Command, Class B Flash file system