[ORACLE 11g RAC] Configuration Network Interface

Public Network Configuration

# chkconfig –-list | grep NetworkManager
# service NetworkManager stop# chkconfig NetworkManager off


Bonding Public Interface

# echo "alias bond0 bonding" > /etc/modprobe.d/bonding.conf

# cp /etc/sysconfig/network-scripts/ifcfg-em1 /etc/sysconfig/networkscripts/em1.bkup
# cp /etc/sysconfig/network-scripts/ifcfg-em2 /etc/sysconfig/networkscripts/em2.bkup

# cat /etc/sysconfig/network-scripts/ifcfg-bond0

DEVICE="bond0"
BONDING_OPTS="mode=1 miimon=100 primary=em1"
NM_CONTROLLED="no"
IPADDR="10.16.142.51"
NETMASK="255.255.248.0"
GATEWAY="10.16.143.254"
ONBOOT="yes"

# cat /etc/sysconfig/network-scripts/ifcfg-em1

DEVICE="em1"
BOOTPROTO="none"
HWADDR="00:25:B3:A8:6F:18"
IPV6INIT="no"
NM_CONTROLLED="no"
ONBOOT="yes"
TYPE="Ethernet"
UUID="3db45d28-e63c-401b-906a-ef095de4fc1e"
SLAVE="yes"
MASTER="bond0"

# cat /etc/sysconfig/network-scripts/ifcfg-em2

DEVICE="em2"
BOOTPROTO="none"
HWADDR="00:25:B3:A8:6F:19"
IPV6INIT="no”
NM_CONTROLLED="no"
ONBOOT="yes"
TYPE="Ethernet"
UUID="7d29d87f-52bb-4dc6-88ca-d0857c7d7fd9"
SLAVE="yes"
MASTER="bond0"


# service network restart


Private Network Configuration


# cp /etc/sysconfig/network-scripts/ifcfg-em3 /etc/sysconfig/networkscripts/em3.bkup
# cp /etc/sysconfig/network-scripts/ifcfg-em4 /etc/sysconfig/networkscripts/em4.bkup


# cat /etc/sysconfig/network-scripts/ifcfg-em3
DEVICE="em3"
BOOTPROTO="static"
HWADDR="00:25:B3:A8:6F:18"
IPV6INIT="no"
NM_CONTROLLED="no"
ONBOOT="yes"
TYPE="Ethernet"
UUID="3db45d28-e63c-401b-906a-ef095de4fc1e"
IPADDR=”192.11.142.51”
NETMASK=”255.255.255.0”
MTU=”9000”




# cat /etc/sysconfig/network-scripts/ifcfg-em4
DEVICE="em4"
BOOTPROTO="static"
HWADDR="00:25:B3:A8:6F:19"
IPV6INIT="no”
NM_CONTROLLED="no"
ONBOOT="yes"
TYPE="Ethernet"
UUID="7d29d87f-52bb-4dc6-88ca-d0857c7d7fd9"
IPADDR=”192.12.142.51”
NETMASK=”255.255.255.0”
MTU=”9000”


NOTE: The MTU size is set to 9000 for the enablement of Jumbo Frames. Ensure Jumbo
Frames are enabled on the private Ethernet switches.


# service network restart