Publication 1734-UM011A-EN-P - February 2004
3-2 Configure the 1734-AENT Adapter for Your EtherNet/IP Network
Configuration
Requirements
Before you can use your 1734-AENT adapter, you must configure its IP
address, its subnet mask, and optionally, gateway address. You can use the
Rockwell BootP utility, version 2.3 or greater, to perform the configuration.
You can also use a DHCP server or the network address switches to configure
these parameters.
If the 1734-AENT needs to be reset to factory defaults, see the Important
note on page A--9.
IP Address
The IP address identifies each node on the IP network (or system of
connected networks). Each TCP/IP node on a network (including the
1734-AENT adapter) must have a unique IP address.
The IP address is 32 bits long and has a net ID part and a Host ID part.
Networks are classified A, B, C, (or other). The class of the network
determines how an IP address is formatted.
IMPORTANT
If using the BootP/DHCP utility, you will need to know
the Ethernet hardware address of your adapter.
Rockwell assigns each 1734-AENT adapter a unique
48-bit hardware address at the factory. The address is
printed on a label on the side of your 1734-AENT
adapter as shown in the figure at left. It consists of six
hexadecimal digits separated by colons. This address is
fixed by the hardware and cannot be changed.
If you change or replace the 1734-AENT adapter, you
must enter the new Ethernet hardware address of the
adapter when you configure the new adapter.
9
9
9
IP Address
Ethernet Address (MAC)
Class A
Class B
Class C
Net ID
Net ID
Net ID
Host ID
Host ID
Host ID
0
0
0
1 0
1 1 0
7
8
15
23
16
31
31
31
24
0
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