On Thu, Jul 10, 2008 at 4:26 PM, Sean Carolan <scarolan at gmail.com> wrote: > You will need to reboot the server to enable the changes. IIRC, ipv6 > is not a module that you can load or unload anytime like a network or > sound card driver. No, not at all. If you just try to "ifconfig" after commenting the lines, the module should be loaded fine. The only problem would be to unload the module once it's in use, because for that you have to stop everything that is using it, which is certainly trickier. HTH, Filipe