On 11/15/2016 06:07 AM, Sean Son wrote: > I have no network connectivity even > when I restart the network service. Should I reenable NetworkManager now? Yeah, the switch is just a test to see if the problem is specific to NetworkManager. It seems that you have other problems as well. Before you do that, post the output of the following: ip route show ip route show table 300 ip route show table 301 ip rule show cat /etc/sysconfig/network-scripts/ifcfg-eth0 cat /etc/sysconfig/network-scripts/route-eth0 cat /etc/sysconfig/network-scripts/rule-eth0 cat /etc/sysconfig/network-scripts/ifcfg-eth1 cat /etc/sysconfig/network-scripts/route-eth1 cat /etc/sysconfig/network-scripts/rule-eth1