Posted by ebal at 13:36:19 in blog, planet_ellak, planet_Sysadmin
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.
# vim /etc/sysconfig/network NETWORKING_IPV6=no IPV6FORWARDING=no IPV6_AUTOCONF=no
# vim /etc/sysconfig/network-scripts/ifcfg-eth0 IPV6INIT=no
# ip -6 addr flush eth0 # ip -6 route flush scope global
and finally restart
# service restart network
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