Network Configuration can be done by  couple of ways

use the following commands

Ifconfig                                                      : display the network Setting

Ifconfig –a                                                : display all the adaptors/settings/configurations

ifconfig eth0 down                               ; power down the Ethernet adaptor eth0

ifconfig eth0 up                                    : power up the Ethernet adaptor eth0

ifconfig eth0 192.168.1.1                   : set eth0 adaptor to ip address to 192.168.1.1

ifconfig eth0 netmask 255.255.255.0 : set eth0 adaptor to subnet mask to 255.255.255.0

ifconfig eth0 broadcast 192.168.2.255 :Change Broadcast address of the interface eth0.

ifconfig eth0 192.168.2.2 netmask 255.255.255.0 broadcast 192.168.2.255      : Assign ip-address, net mask and broadcast at the same time to interface eht0.

to perform things in advance configuration you can also use Network Configuration File

Redhat linux : vi /etc/sysconfig/network-scripts/ifcfg-eth0

Ubuntu : sudo vi /etc/network/interfaces

Entries needed to be like this

DEVICE=eth0
BOOTPROTO=STATIC
IPADDR=192.168.0.5
NETMASK=255.255.255.0
GATEWAY=192.168.0.1
ONBOOT=yes

Service Restart Need

Redhat

$ sudo /etc/init.d/network stop

$ sudo /etc/init.d/network start

ubuntu

#    sudo /etc/init.d/networking restart

#    service NetworkManager stop

3     chkconfig NetworkManager off

Confirmation

######        /sbin/chkconfig network

for binding two different network adaptor as teaming > create Virtual adaptor and make two or more physical adaptor as slave’s and edit the following files like below

#/etc/modprobe.conf
#added for bonding
alias bond0 bonding mode=5 miimon=100

#/etc/sysconfig/network-scripts/ifcfg-eth1
DEVICE=eth1
BOOTPROTO=none
ONBOOT=yes
MASTER=bond0
SLAVE=yes
USERCTL=no

#/etc/sysconfig/network-scripts/ifcfg-eth2
DEVICE=eth2
BOOTPROTO=none
ONBOOT=yes
MASTER=bond0
SLAVE=yes
USERCTL=no

#/etc/sysconfig/network-scripts/ifcfg-bond0
DEVICE=bond0
ONBOOT=yes
BOOTPROTO=none
IPADDR=192.168.0.1
NETMASK=255.255.255.0
USERCTL=no

Note : the mode for the load balance is different on your infrastructure- please check for yourself accordingly  

               Mode=0 : round robin policy
               mode=1 : active -backup policy
               mode=2 : balance-xor depedingin on traffic of destination mac address
               mode=3 : broadcast polocy
              mode=4 : dynamic link aggregation
              Mode=5 : load balanced on transmiting package mode
             Mode=6 : adaptive load balancing

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Ubuntu: https://help.ubuntu.com/community/NetworkConfigurationCommandLine/Automatic

Redhat :http://unix.stackexchange.com/questions/52474/setup-static-ip-in-redhat-6

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