Sorry - that should be sysctl -w net.ipv6.conf.all.accept_ra=0 to disable that, not 1. Chris On Sun, Mar 8, 2015 at 11:14 PM, Chris Stone <axisml at gmail.com> wrote: > Try: > > sysctl -w net.ipv6.conf.all.accept_ra=1 > > to persist between boots, be sure to add this to your /etc/sysctl.conf > file. > > This should prevent the box from listening to any RA announcements. > > > Chris > > On Sun, Mar 8, 2015 at 10:55 PM, Ryan Wagoner <rswagoner at gmail.com> wrote: > >> On Fri, Mar 6, 2015 at 11:52 AM, Robert Moskowitz <rgm at htt-consult.com> >> wrote: >> >> > >> > >> > On 03/06/2015 11:00 AM, Robert Moskowitz wrote: >> > >> >> >> >> >> >> On 03/06/2015 10:55 AM, Barry Brimer wrote: >> >> >> >>> >> >>> >> >>> IPV6INIT="no" >> >>>> >> >>>> But I am still getting a global IPv6 (and of course local scope). >> >>>> >> >>>> What else do I need to do to disable the listening for RA >> announcements >> >>>> >> >>>> and setting an IPv6 global address? I do not want to reboot the box. >> >>>> >> >>> There are other modules, most notably bonding that rely on the ipv6 >> >>> module being loaded. What I do is place "options ipv6 disable=1" in >> >>> "/etc/modprobe.d/ipv6.conf". That does require a reboot, which I know >> you >> >>> are looking to avoid, so you may want to try other methods to remove >> your >> >>> address in the running configuration. >> >>> >> >> >> >> 'All' I need is for the system not to have a global IPv6 address. Then >> it >> >> will not try to connect to other global IPv6 systems which will reject >> the >> >> connection, as the IPv6 rDNS cannot be set, given it is a dynamic IPv6 >> >> assigned address from the ISP. >> >> >> > >> > I tried: >> > >> > # cat /etc/sysconfig/network >> > NETWORKING=yes >> > HOSTNAME=z9m9z.htt-consult.com >> > NETWORKING_IPV6=no >> > IPV6INIT=no >> > >> > >> > and 'service network restart' but still showing IPv6 addressing. >> >> >> >> I would try adding the below line to /etc/sysconfig/network. >> >> IPV6_AUTOCONF=no >> >> Ryan >> _______________________________________________ >> CentOS mailing list >> CentOS at centos.org >> http://lists.centos.org/mailman/listinfo/centos >> > > > > -- > Chris Stone > AxisInternet, Inc. > www.axint.net > -- Chris Stone AxisInternet, Inc. www.axint.net