Solve the "Master connection not found or invalid" network error

Solve the "Master connection not found or invalid" network error

Configure a bridge in CentOS 6.5.

Add a new one under the/etc/sysconfig/network-scripts directory

Ifcfg-eth1

Ifcfg-eth2

Ifcfg-br0

Three configuration files (the specific installation and configuration process is omitted, not the focus of this article)

A failed prompt appears after the network is restarted, as shown in figure

Online Search prompts may be caused by the Network Manager taking over the network configuration in the graphic interface.

As a result, do the following:

Disable NetworkManager to restart the network, as shown in figure

Solve the problem.

Record here.