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enp3s0
2017 Jan 16
2
NetworkManager vs. Firewalld vs. /etc/sysconfig/network-scripts/ifcfg-*****
I've made 3 CentOS 7 installation attempts to configure a simple
firewall/router box with 2 nics.
I got myself into a circular scenario where NetworkManager and
firewalld and /etc/sysconfig/network-scrpts/ifcfg-***** were
interfering or overwriting each other.
Needed to perform ifdown enp3s7 on the internal LAN nic in order to
make the external internet enp2s0 reach websites and ping nameservers.
After completing firewall-cmd --complete-reload the internal LAN nic
would still provide private ip addresses via dhcpd server but LAN
clients could not access the internet.
So far these ste...