On 09/17/14 21:03, Marcelo Ricardo Leitner wrote: > Em 07-09-2014 05:24, dE escreveu: >> Hi! >> >> I installed CentOS 7 today, it's a minimal install, so it didn't have >> ifconfig command. So I installed net-tools, however I can't add ipv6 >> address to it. >> >> # ifconfig enp0s3 add fc00::1002/124 >> SIOCSIFADDR: Permission denied. >> >> Yes, I'm running as root. >> >> CentOS is running in a Qemu instance with e1000 ethernet card. > > One more test. Please check sysctl -a | grep disable_ipv6 output > And if it's =1, set it to 0. > > When NetworkManager is running, it may disable ipv6 on the interface > if its not configured via NM... > > Marcelo > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos Yes, that was it. Thanks!! But this's the default? The installer should be checked for this.