On Thu, 2007-05-10 at 15:16 -0700, Wolfgang S. Rupprecht wrote: > Thanks. That's weird because it is essentially what I have. The > networking script tries to bring up the sit1 interface, but gets an > ioctl error (no such interface). After the machine boots I can do an > "ifup sit1" by hand, which then works without errors. > > /etc/sysconfig/network-scripts/ifcfg-sit1: > DEVICE=sit1 > BOOTPROTO=none > ONBOOT=yes > IPV6INIT=yes > IPV6TUNNELIPV4=208.201.XXX.XXX # XXX == redacted > IPV6TUNNELIPV4LOCAL=64.142.50.224 > IPV6ADDR=2001:05a8:0004:07d2::1/64 > > /etc/sysconfig/network: > NETWORKING=yes > NETWORKING_IPV6=yes > HOSTNAME=arbol.wsrcc.com > IPV6_ROUTER=yes > IPV6FORWARDING=yes > IPV6_DEFAULTDEV=sit1 It appears that the ipv6 module is not available at time of activation of the interface. I cannot reboot the machine to check where exactly in the boot sequence the interfaces are brought up. Try re-creating your initrd after having brought up the sit device. It could be that some kernel module(s) need to be added to the initrd Louis