What for an error at a raising of the network interface?

Question

linux

The story is this: We need a proxy to work with social networks. It was decided to raise ipv6 proxies, the proxies are configured, and the start of 3proxy passes without problems, but when they were put into the checker, all proxies showed an error timed out. We think of a network interface error with the ifup eth0 command during the VDS configuration process:
3proxy config:
ifcfg:
NETWORKING_IPV6=yes added to nano /etc/sysconfig/network

in nano /etc/resolv.conf nameserver 2001:4860:4860::8888
nameserver 2001 :4860:4860::8844Э
The error is also issued on service network restart
OS CentOS 6.2

Answer 1

If the entire config is presented, then it is not correct.
Read at least this:
https://blog.vpsville.ru/blog/howto/133.html