This is just a short how-to in case anyone is wondering how to set up a sixxs tunnel on an Illumos-derived OS, such as OmniOS, SmartOS, and similar. # dladm create-iptun -T ipv4 -a local=$LOCAL_IPv4,remote=$SIXXS_POP_IPv4 sixxs0 # dladm set-linkprop -p hoplimit=200 sixxs0 # ipadm create-if sixxs0 # ipadm create-addr -T static -a local=$LOCAL_IPv6,remote=$SIXXS_POP_IPv6 sixxs0/v6 # ipadm set-ifprop -p nud=on -m ipv6 sixxs0 # route -p add -inet6 default $SIXXS_POP_IPv6