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Sep
29
2015
ipv6 autoconfigure

So … it seems that some router gives dhcp ipv6 prefixes for specific lans.

The default behaviour of CentOS is to autoconfigure the network interface with ifup script.

We havent finished our #ipv6 schema/deployment so we need to disable this ipv6 autoconfigure feature.

global



# vim /etc/sysconfig/network

NETWORKING_IPV6=no
IPV6FORWARDING=no
IPV6_AUTOCONF=no

interface


# vim /etc/sysconfig/network-scripts/ifcfg-eth0
IPV6INIT=no

Flushing


# ip -6 addr flush eth0

# ip -6 route flush scope global

and finally restart



# service restart network

Tag(s): ipv6, centos

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