Reliance Electric™ Drives

Software

Using the BOOTP Utility to Configure an IP Address

This document describes how to use the Rockwell BOOTP utility that ships with RSLogix5000 software. You can also use this utility to reconfigure a device whose IPaddress is unknown or must be changed.

Using the Rockwell BOOTP Utility
- The Rockwell BOOTP utility is a standalone program that incorporates the functionality of standard BOOTP software with a user-friendly graphical interface. It is located in the Utils directory on the RSLogix 5000 installation CD. The device must have BOOTP enabled (factory default) to use the utility.
  To configure your device using the BOOTP utility, perform the following steps:
  1. Run the BOOTP software. In the BOOTPRequest History panel you will see the hardware addresses of devices issuing BOOTP requests.
  2. Double-click on the hardware address of the device you want to configure. You will see the New Entry pop-up window with the device's Ethernet Address (MAC).
  3. Enter the IP Address, Subnet Mask, and Gateway you want to assign to the device, and click on OK.
    The device will be added to the Relation List, displaying the Ethernet Address (MAC) and corresponding IP Address, Subnet Mask, and Gateway (if applicable).
  4. If you want to permanently assign this configuration to the device, highlight the device and click on the Disable BOOTP button. When power is recycled to the device, it will use the configuration you assigned and not issue a BOOTP request.
    Note: To enable BOOTP for a device that has had BOOTP disabled, highlight the device and click on the Enable BOOTP button.
Using Force IP Renew to Reconfigure a Device
- The Force IP Renew feature can be used to reconfigure a device that has BOOTP disabled. This can be useful:
  - if you do not know the IP address of a configured device(e.g., the address is not written on the label or the label is missing),
    or
  - if you know the IP address but want to change the configuration.
    To use this feature, perform the following steps:
    1. Connect the device to your network and run the BOOTP utility.
    2. Click on the New button.The New Entry pop-up window will open.
    3. Enter the fixed Ethernet Address (MAC) of your device.
    4. Enter the IP Address, Subnet Mask, and Gateway you want to assign to the device, and click on OK. The device will appear in the Relation List.
    5. Select the device from the Relation List and click on the Force IP Renew button. Then cycle power to the device.
    6. The device will perform its power-up diagnostics and issue a BOOTP request. The BOOTP utility will respond by assigning it the configuration you just specified
    7. The device is now able to communicate over the network, using the new configuration.
Saving the Relation List
You can save the Relation List to be used later.

To save the Relation List perform the following steps:
1. Select Save As... from the File menu. You will see the following window.
2. Select the folder you want to save in:
3. Enter a File name for the Relation List (e.g., Control System Configuration) and click on Save.
4. You can leave the Save as type at the default setting: Bootp Config Files (*.bpc)".
  You can then open the file containing the Relation List at a later session.
Using a Third-Party BOOTP Server
The following is an example BOOTP tab file that can be used with a third-party BOOTP server:

# Example /etc./bootptab: database for BOOTP server (/etc./bootpd).
#
# Format:
# nodename:tag=value:tag=value:. . . .:tag=value
#
# first field - - nodename (hostname) of terminal followed by colon
# (should be full domain name)
#
# Blank lines and lines beginning with '#' are ignored.
# Make sure you include a colon and a backslash to continue a line.
# Don't put any spaces in the tag-value string.
# The ht tag MUST precede the ha tag.
#
# The options below are specified as tag=value and delimited by colons
# These are the options used by the device:
#
# gw - - gateway IP address
# ha - - hardware address (link level address) (hex)
# ht - - hardware type (either) (must precede the ha tag)
# ip - - IP address
# sm - - network subnet mask
# tc - - template for common defaults (should be the first option listed)
#
# vm - - vendor magic cookie selector
#
#-----------------------------------------------------------------
# default values for 1794-AENT
icp.defaults:\
ht=ether:\
vm=rfc1048:\
sm=255.255.254.0:\
gw=130.151.132.1
#-----------------------------------------------------------------
zappa0:\
tc=icp.defaults:\
ha=0000bc03404f:\
ip=130.151.132.121
zappa1:\
tc=icp.defaults:\
ha=0000bc034073:\
ip=130.151.132.122
zappa2:\
tc=icp.defaults:\
ha=0000bc034022:\
ip=130.151.132.123

To use a third-party BOOTP server to configure the device, perform the following steps:
1. Access and open the BOOTP tab file using a text editor.
2. Enter the IP address you want to use for your device.
3. Use the text editor to enter the Ethernet hardware address (MAC ID)of your device. You must enter all digits, including zeroes.
4. Enter the Gateway Address.
5. Enter the Subnet Mask.
6. After you have entered all the configuration data, save the file in a directory where the BOOTP server can access it.
Using DHCP Software to Configure Your Device

DHCP (Dynamic Host Configuration Protocol) software automatically assigns IP addresses to client stations logging onto a TCP/IP network. DHCP is based on BOOTP and maintains some backward compatibility. The ma indifference is that BOOTP was designed for manual configuration, while DHCP allows for dynamic allocation of network addresses and configurations to newly attached devices.

Be cautious about using DHCP software to configure your device. ABOOTP client can boot from a DHCP server only if the DHCP server is specifically written to also handle BOOTP queries. This is specific to the DHCP software package you use. Check with your system administrator to see if your DHCP package supports BOOTP commands and manual IP allocation.

Attention: The device must be assigned a fixed network address. The IP address of this device must not be dynamically provided. Failure to observe this precaution may result in unintended machine motion or loss of process control.