Linux - A sample example of eth1 configuration, Backup server configuration a example

A sample example of eth1 configuration

The below is a simple example of a eth card configuration in linux environment. This example can help you when you configure the network manually, The below are some of the important rules whcih has to be added in the configuration file.

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

OUTPUT:

# NetXen Incorporated NX3031 Multifunction 1/10-Gigabit Server Adapter
DEVICE=eth1
BOOTPROTO=static
DHCPCLASS=
HWADDR=XX:XX:XX:XX:XX:XX
IPADDR=10.XX.XX.XX
NETMASK=255.255.254.0
ONBOOT=yes
ETHTOOL_OPTS="autoneg off speed 100 duplex full"

Some of the mandatory fields are DEVICE, IPADDR, NETMASK, ONBOOT, HWADDR

- DEVICE : Specifies the device alias(Ex eth0, eth1, eth2..)
- ONBOOT : Whether to bring up the device up when the system boots, by default the value is no.
- IPADDR : Specify the IP Address of the system.
- NETMASK: Netmask value for the class of IP used.
- HWADDR : Specify the mac address.
- BOOTPROTO : From where the IP setting should retrive from. we set dhcp or static

The hostname of machine is set under

 # cat /etc/sysconfig/network

OUTPUT:

HOSTNAME=stationx.w3calculator.com
NETWORKING=yes
GATEWAY=<ip address>

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