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
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.
My "ifcfg-eth0" content is :
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