Chapter 3 Installing the Router
Replacing or Upgrading the CF
Formatting Procedures for CF Memory Cards
For the Cisco MWR 1900 router, Cisco recommends that you format/erase new CF memory cards to initialize them with a Class C Flash file system. This ensures proper formatting and enables the ROM monitor to recognize and boot the Flash.
The Class C Flash file system is similar to the standard DOS file system; however, a CF memory card formatted with the standard DOS file system does not support booting from the ROM monitor.
Formatting CF Memory as a DOS File System
To format a new external CF memory card, or to remove the files from a previously installed external CF memory card, enter the format slot0: command.
The following example shows output for formatting a CF memory card formatted with a Class C Flash file system:
Router# format slot0:
Format operation may take a while. Continue? [confirm]
Format operation will destroy all data in "slot0:". Continue? [confirm]
Enter volume ID (up to 64 chars)[default slot0]:
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
File and Directory Procedures
The following sections describe file and directory procedures for external CF memory cards formatted with a Class C Flash file system.
Copy Files
To copy the files to another location, use the copy slot0:
nvram: pram: rcp: system: tftp: xmodem: ymodem:
destination-filename command.
Cisco MWR 1900 Mobile Wireless Edge Router Hardware Installation Guide
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