How to resolve the loop back issue after configuring the network in linux
1) Login into the server.
2) use the following command to see the ip configurations .
3) if you are getting the loopback then it may the Ethernet down or any misconfiguration in network.
4)Try this command it may resolve your issue.
[root@localhost]# ifup eth0
5) if you are still facing the issue then see the network configurations.
[root@localhost]# vi /etc/sysconfig/network-scripts/ifcfg-eth0
see the network configurations properly configured
6) restart the network services.
[root@localhost]# service network restart