G–13Communicating with Devices on an Ethernet Network
Publication
1747-6.2
Using BOOTP to Configure Channel 1 for Processors on Subnets
Configure the BOOTPTAB file according to the subnet mask and
gateway address for each SLC 5/05 processor on the link. See the
example below and the corresponding BOOTPTAB file on the
next page.
Important: Because BOOTP requests are seen only on the local
subnet, each subnet needs its own BOOTP server and
BOOTPTAB file.
Ethernet gateway
or “router”
SLC 5/05
processor
Ethernet TCP/IP network
personal computer WINDOWS
or HP 9000 or VAX computer
Hostname: Iota2
IP address: 130.151.132.110
Subnet Mask: 255.255.255.0
Gateway
Address: 130.151.132.1
Hostname: Iota3
IP address: 130.151.138.123
Subnet Mask: 255.255.255.0
Gateway
Address: 130.151.138.1
Hostname: Iota1
IP address: 130.151.194.19
Subnet Mask: 255.255.255.0
Gateway Address: 130.151.194.1
130.151.194.xxx
130.151.132.xxx
130.151.138.xxx
Subnet A
Subnet B Subnet C
BOOTP
server
BOOTP
server
BOOTP
server
130.151.132.1 130.151.138.1
130.151.194.1
SLC 5/05
processor
SLC 5/05
processor
AB PLCs
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