Although I don't think this is the cause of my problem.I still update to CentOS 6.9 by yum update.But it can't resolove my problem.TrevorH wrote:You need to update anyway, regardless of this problem. 6.8 came out almost 2 years ago and there have been numerous security vulnerabilities found and fixed in that time. You will not have the fixes for any of them until you update.
Post the contents of /etc/sysconfig/network-scripts/ifcfg-eth0
My "ifcfg-eth0" content is :
Code: Select all
DEVICE=eth0 TYPE=Ethernet ONBOOT=yes NM_CONTROLLED=no BOOTPROTO=dhcp IPV6INIT=yes DHCPV6C=yes DHCPV6C_OPTIONS="-S"