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CHAPTER 5: CONNECTING TO DEVICES AND NETWORKS
To modify an IP
address using a Linux
OS Shell:
D20E ETHERNET I/O MODULE INSTRUCTION MANUAL
12. Reboot the device, if necessary; see
Result: The IP address assignment change is complete.
Normally, rebooting the D20E module is not required. However for some network security
control, rebooting is necessary when a new IP address is assigned onto a network.
1.
Connect a cable with a USB micro AB plug between the PC and D20E Ethernet I/O
Module as shown in Figure 13.
2.
Run the terminal emulation application.
See section
Terminal emulator
3.
Logon to the D20E module with:
–
IP address: 10.0.0.1.
–
User ID root, and
–
Password root.
4.
Execute the ifconfig Linux command to check the current IP addresses for LAN 1
(eth0) and LAN 2 (eth1).
The file name is ifcfg-eth0.
5.
Change the directory with command CD /etc/sysconfig/network-scripts/.
6.
Run the standard Linux vi command to open the file: vi ifcfg-eth0.
7.
Edit eth0 with a new IP address; for example, 192.168.0.189 (or obtain an IP address
from your network administrator):
7.1.
Open edit mode; press "i" (insert) and navigate with the arrow keys.
7.2.
Change the IP Address.
7.3.
Press Esc to exit insert mode.
7.4.
Type ":" [Shift + ;].
7.5.
Enter one of the following commands.
– wq command to write and quit (save changes)
– q! command to discard changes and quit
7.6.
Exit the file by pressing Enter.
8.
Repeat step 6. and step 7. for eth1 using the ifcfg-eth1 command.
9.
Save the change.
10. Run the ifconfig command again to check that the IP addresses have changed as
expected.
Rebooting the D20E
on page 21 for details.
GE INFORMATION
on page 116
81
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