#!/usr/bin/env bash
# this script will build a network config file on a CentOS 7 system.
# it is expected to already have a /etc/sysconfig/network-scripts/ifcfg-eth0 file created
# this is additional ip creation for 1 nic.

IP=$1
ID=$2

cat << EOF
BOOTPROTO=static
DEVICE=eth0:$ID
IPADDR=$IP
NETMASK=255.255.255.255
BROADCAST=$IP
ONBOOT=yes
EOF