On 05/19/11 18:45, Tom H wrote: > On Thu, May 19, 2011 at 8:57 PM, JD<jd1008@xxxxxxxxx> wrote: >> On 05/19/11 17:41, Tom H wrote: > >>> To the OP: Do you have a "/etc/sysconfig/network-scripts/ifcfg-wlan0" >>> and a "/etc/sysconfig/network-scripts/ifcfg-wlan0:0"? What are their >>> contents? >> I have no /etc/sysconfig/network-scripts/ifcfg-wlan0:0 >> >> $ cat /etc/sysconfig/network-scripts/ifcfg-wlan0: >> DEVICE=wlan0:0 >> IPV6INIT=no > Why do you have "DEVICE=wlan0:0" in > "/etc/sysconfig/network-scripts/ifcfg-wlan0"? > > I think that is a remnant. Thank for pointing it out. I had completely overlooked it. But, it is nevertheless, harmless. >>>> It is a valid IPv6 interface. >>> It's valid but it isn't routable. It's the equivalent of an ipv4 >>> 169.254.x.y address. >> Yes. ifconfig always prints this even when ip6 is disabled. > No, if ipv6 is disabled, no ipv6 address is assigned to any interface. I do not see in any of my conf files, nor in services where I have enabled ipv6. But I think there are other internal interfaces/modules that, [do not/are not configured to] go out over the LAN, that use ipv6: such as: bridge,ah6,esp6,xfrm6_mode_beet,xfrm6_mode_tunnel,ipcomp6,xfrm6_tunnel,tunnel6 But I see your point because I thought that it was completely disabled. Now I wonder if any of the loadable modules that get loaded, depend on. ipv6 being enabled. > >>>> The fact that IPv6 layer was disabled on the subnet (as JD clarified it later), >>>> does not change anything. Once again, the type of configured interface wlan0 >>>> is of interest to me, that is IPv6-type. >>> Since wlan0:0 has a ipv6 address, ipv6 must not be disabled. >> It really IS disabled. Look at the contents of my ifcfg-wlan0 above. >> It says IPV6INIT=no > "IPV6INIT=no" doesn't disable ipv6; it's used by > "/etc/sysconfig/network-scripts/ifup-ipv6" to determine whether to > configure ipv6 for that interface. If ipv6.ko isn't prevented from > loading through "/etc/modprobe.conf" or a conf file in > "/etc/modprobe.conf.d/", an interface will be assigned an fe80 ipv6 > address. Correct. I had overlooked that altogether. As I asked above, I wonder if some service will break if I black list the ipv6 modules. -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines
