Identify Logical and Physical Network Interface Names While Installing Oracle Linux or RHEL
During installation and configuration of the Oracle Linux or Red Hat Enterprise Linux
OS, you reach a point where you must enter the logical and physical
names (MAC addresses) of the network interfaces.
This section explains how to launch a user shell during the Linux configuration
to obtain the logical and physical network interface names that you need to
continue with the configuration.
- At the boot prompt type: linux rescue and then press Enter.
The Choose a Language screen is displayed.
- In the Choose a Language screen, select the appropriate language, and click OK.
The Keyboard Type screen is displayed.
- In the Keyboard Type screen, select the appropriate configuration, and then click OK.
The Setup Network screen is displayed.
- In the Setup Network screen, click No.
The Rescue screen is displayed.
- In the Rescue screen, click Skip.
The user shell is displayed.
- At the command prompt (#) in the user shell, type the following command
to display all network interfaces, and then press Enter.
# ifconfig -a
The output of the Linux named network interfaces appear.
If you have multiple network interfaces and the output of interfaces scrolls off
the top of the screen, you can display the output per interface.
- To view the output of each network interface, type the following at the
command prompt, and then press Enter:
# ifconfig eth#
where eth# is the interface number. For example, if you type:
# ifconfig eth0
the output for eth0 is displayed:
Link encap:Ethernet HWaddr 00:14:4F:0C:A1:F2
inet addr:192.168.2.103 Bcast:192.168.2.255
- The eth0 entry in the first column refers to the Linux logical named
interface. This first column in the output identifies the logical names Linux or RHEL
assigned to the network interface.
- The HWaddr 00.14.4F.0C:A1:F2 entry in the second column (first row) refers to the physical
MAC address of the network port.
- Record the logical network interface name with the physical port MAC address for
future reference. You need to refer to this record when configuring the network
interfaces during the Linux or RHEL OS installation.
- When you are done, do one of the following to exit the user
- From Oracle ILOM, select Remote Control > Remote Power Control > Reset.
- From Oracle ILOM Remote Console in the Keyboard menu, select Control Alt Delete.
- From other consoles, press Ctrl+Alt+Delete.
- Restart the OS installation program.