Editing the bootptab configuration file -7, Editing the bootptab configuration file – Rockwell Automation 1785-Lxxx Enhanced and Ethernet PLC-5 Programmable Controllers User Manual

Page 181

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Publication 1785-UM012D-EN-P - July 2005

Communicating with Devices on an Ethernet Network 11-7

Editing the BOOTPTAB Configuration File

You must edit the

BOOTPTAB

file, which is an ASCII text file, to include the

name, IP address, and hardware address for each Ethernet PLC-5 controller
you want the server to boot. To edit this file:

1. Open the

BOOTPTAB

file using a text editor.

The file contains lines that look like this:

#Default string for each type of Ethernet client
defaults5E: ht=1:vm=rfc1048

These are the default parameters for Ethernet PLC-5 controllers and
must always precede the client lines in the

BOOTPTAB

file.

The file also contains a line that looks like this:

1. Make one copy of the Ethernet PLC-5 controller template for every

Ethernet PLC-5 controller in your system.

2. Edit each copy of the template as follows:

A. Replace

plc5name

with the name of the Ethernet PLC-5 controller.

Use only letters and numbers; do not use underscores.

B. Replace

aa.bb.cc.dd

with the IP address to be assigned to the

controller.

IMPORTANT

If BOOTP is disabled, or no BOOTP server exists on the
network, you must use PLC-5 programming software to
enter/change the IP address for each controller.

IMPORTANT

Be sure you know the Ethernet hardware address of the
module. You will enter it in this file.

IMPORTANT

Use this line as the configuration template for Ethernet
PLC-5 controllers.

plc5name: tc=defaults5E:ip=aa.bb.cc.dd:ha=0000BC1Cxxyy

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