On 03/09/2015 02:18 PM, Chris Stone wrote: > How about, in your /etc/sysconfig/network file adding or editing the line > for IPV6 to be: > > NETWORKING_IPV6=no One of the first things I tried. It is still in there and doing no difference. What I have is: # cat network NETWORKING=yes HOSTNAME=z9m9z.htt-consult.com NETWORKING_IPV6=no IPV6INIT=no IPV6_AUTOCONF=no and: cat network-scripts/ifcfg-eth0 DEVICE="eth0" BOOTPROTO=none ONBOOT="yes" TYPE="Ethernet" NAME="System eth0" MACADDR=02:67:15:00:00:03 MTU=1500 DNS1=50.253.254.2 DNS2=192.168.224.2 GATEWAY="50.253.254.14" IPADDR="50.253.254.3" NETMASK="255.255.255.240" HOSTNAME="z9m9z.htt-consult.com" IPV6INIT="no" I have used all the magic glue to say "no ipv6" and it just chugs along. > > and then try a 'service network restart' and see what you get. > > > Chris > > > On Mon, Mar 9, 2015 at 11:52 AM, Robert Moskowitz <rgm at htt-consult.com> > wrote: > >> No change after running this and trying both: >> >> system network restart >> >> ifdown eth0; ifup eth0 >> >> Still having an IPv6 addr. >> >> The box has been up for 140 days. Would like to keep it running... >> >> This box is really Redsleeve 6, which is the port of Centos 6 to arm. The >> kernel I am using is the F19 kernel. All of this MIGHT be contributing to >> things not working as they would on a 'normal' Centos box. I am awaiting >> the start of the Centos7-arm work ;) >> >> >> On 03/09/2015 01:15 AM, Chris Stone wrote: >> >>> 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 >>>> >>>> >>> >> _______________________________________________ >> CentOS mailing list >> CentOS at centos.org >> http://lists.centos.org/mailman/listinfo/centos >> > >