ip tunnel add tun3 mode gre remote 192.58.1.5 ttl 64
ioctl: no such device
I solved this on Centos by loading the ip_gre module:
modprobe ip_gre
On Debian I believe it is the "sit" module.
creating, ioctl, deviceip, tun, mode, gre, ttl, centos, loading, ip_gre, module, modprobe, debian, quot,
