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C-5
Cisco IAD2430 Series Integrated Access Devices Software Configuration Guide
OL-4306-03
Appendix C Using the ROM Monitor
Recovering Boot and System Images
Using the tftpdnld -r Command
The tftpdnld -r command downloads a Cisco IOS software image from a remote server into flash
memory using TFTP.
tftpdnld -r—Begins the TFTP copy command.
The following variables are required:
• IP_ADDRESS—The IP address for the router you are using.
• IP_SUBNET_MASK—The subnet mask for the router you are using.
• DEFAULT_GATEWAY—The default gateway for the router you are using.
• TFTP_SERVER—The IP address of the server from which you want to download the image file.
• TFTP_FILE—The name of the file that you want to download.
The following variables are optional:
• TFTP_VERBOSE—Print setting. 0=quiet, 1=progress, 2=verbose. The default is 1.
• TFTP_RETRY_COUNT—Retry count for ARP and TFTP. The default is 7.
• TFTP_TIMEOUT—Overall timeout of the download operation in seconds. The default is 2400
seconds.
• TFTP_CHECKSUM—Performs a checksum test on the image. 0=no, 1=yes. The default is 1.
• FE_PORT—Selects the FE Port for tftpdnld download. 0=FE 0,1=FE 1. If FE_PORT variable is
not mentioned then FE 0 will be used as default.
The syntax for specifying the variables is:
VARIABLE_NAME=value
After you specify the variables, you must reenter the tftpdnld -r command. For example:
rommon 2 > IP_ADDRESS=172.15.19.11
rommon 3 > IP_SUBNET_MASK=255.255.255.0
rommon 4 > DEFAULT_GATEWAY=172.15.19.1
rommon 5 > TFTP_SERVER=172.15.20.10
rommon 6 > TFTP_FILE=/tftpboot/c2430-i-mz
rommon 7 > TFTP_VERBOSE=1
rommon 8 > tftpdnld -r
IP_ADDRESS=172.15.19.11
IP_SUBNET_MASK=255.255.255.0
DEFAULT_GATEWAY=172.15.19.1
TFTP_SERVER=172.15.20.10
TFTP_FILE=/tftpboot/2430-i-mz
TFTP_VERBOSE=1
Invoke this command for disaster recovery only.
Do you wish to continue? y/n: [n]:
Enter y to begin downloading the Cisco IOS software image. When the process is complete, the ROM
monitor mode prompt appears on your screen.
- Cisco IAD2430 Series 1
- Integrated Access Devices 1
- Software Configuration Guide 1
- CONTENTS 3
- Contents 4
- Objectives 7
- Audience 7
- Document Organization 8
- OL-4306-03 10
- Cisco IOS Software Basics 11
- Cisco IAD2431-8FXS IAD 12
- Cisco IAD2431-16FXS IAD 13
- Cisco IAD2431-1T1E1 IAD 13
- Cisco IAD2432-24FXS IAD 14
- Cisco IAD2435-8FXS IAD 14
- Port Numbering Conventions 15
- Getting Help 16
- Command Modes 17
- Undoing a Command or Feature 18
- Saving Configuration Changes 18
- Where to Go Next 20
- The setup Command Facility 22
- Configuring Global Parameters 22
- SUMMARY STEPS 26
- DETAILED STEPS 26
- Example: 27
- Frame Relay Encapsulation 28
- LAPB Encapsulation 28
- X.25 Encapsulation 29
- SMDS Encapsulation 29
- T1/E1 Channelized Mode 29
- PPP Encapsulation 30
- Switched Mode 32
- Dedicated Mode 32
- Completing the Configuration 33
- Configuring Network Clock 39
- Configuring T1/E1 Interfaces 41
- Configuring TDM Cross-Connect 50
- Configuring TDM to TDM 51
- Configuring ATM T1-WAN Ports 62
- Configuration Tasks 66
- Verifying ATM Configuration 69
- Configuring Voice over IP 75
- VoIP Configuration Examples 78
- Configuration for IAD-1 79
- Configuration for IAD-2 80
- IAD SJ Configuration 81
- IAD SLC Configuration 81
- APPENDIX 85
- Formatting the Flash Memory 97
- File and Directory Operations 101
- Displaying File Content 103
- Copying Files 104
- Rename a File 105
- Create a New Directory 106
- Remove a Directory 107
- Using the ROM Monitor 111
- ROM Monitor Commands 112
- Command Descriptions 113
- Using the xmodem Command 114
- Using the tftpdnld -r Command 115
- Configuration Register 116
- Console Download 117
- Debug Commands 118
- Exiting the ROM Monitor 119
- Exiting the ROM Monitor 120
- 4-4 124
- 4-6 124
- 4-8 124
- 4-9 124
- C-4, C-7 124
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