Oracle Exalogic Elastic Cloud Owner's Manual page 146

Set Up Ethernet Over InfiniBand (EoIB) on Oracle Linux
Create the interface file for the first VNIC, eth4 in the example, by using a text
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editor such as vi.
Save the file in the /etc/sysconfig/network-scripts directory.
Example:
# more /etc/sysconfig/network-scripts/ifcfg-eth331_1
DEVICE=eth331_1
BOOTPROTO=none
ONBOOT=yes
HWADDR=a2:c0:a0:a8:01:01
MASTER=bond1
SLAVE=yes
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Create an interface file for the second VNIC, say eth5. Be sure to name the
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interface file and specify the DEVICE directive by using a derived interface name
and not the kernel-assigned name, as described earlier. In addition, be sure to
specify the relevant dummy MAC address for the HWADDR directive.
After creating the interface files, create the ifcfg-bond1 file. If the file already
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exists, verify its contents.
Example:
# more /etc/sysconfig/network-scripts/ifcfg-bond1
DEVICE=bond1
IPADDR=192.168.48.128
NETMASK=255.255.255.0
BOOTPROTO=none
USERCTL=no
TYPE=Ethernet
ONBOOT=yes
IPV6INIT=no
BONDING_OPTS="mode=active-backup miimon=100 downdelay=5000 updelay=5000"
GATEWAY=192.168.48.1
Bring up the new bond1 interface using the ifup command.
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You must also reboot the compute node for the changes to take effect.
10-6 Oracle Exalogic Elastic Cloud Machine Owner's Guide
Device name: ethA_B
A is the EPORT_ID, and B is the number after the colon (:) in the IOA_PORT
value.
Example:
Interface file name: ifcfg-eth331_1
Device name: eth331_1
In this example, 331 is the EPORT_ID, and 1 is the value derived from the
IOA_PORT.
Make sure that the name of the interface file (ifcfg-eth331_1 in the
example) is the name derived in step 12.
For the DEVICE directive, specify the device name (eth331_1 in the
example) derived in step 12.
For the HWADDR directive, specify the dummy MAC address created in step 5.