auto he-ipv6
iface he-ipv6 inet6 v4tunnel
address 2001:470:1f0a:b87::2
netmask 64
endpoint 216.66.80.30
local 78.155.219.100
ttl 255
gateway 2001:470:1f0a:b87::1
add tunnel "sit0" failed: No buffer space available
Failed to bring up he-ipv6.
docker0 Link encap:Ethernet HWaddr 02:42:89:93:d3:d6
inet addr:172.17.0.1 Bcast:0.0.0.0 Mask:255.255.0.0
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
ens3 Link encap:Ethernet HWaddr 00:60:a8:b2:d7:ba
inet addr:78.155.219.100 Bcast:78.155.219.255 Mask:255.255.255.0
inet6 addr: fe80::260:a8ff:feb2:d7ba/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:21433 errors:0 dropped:0 overruns:0 frame:0
TX packets:2214 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:1355887 (1.3 MB) TX bytes:392677 (392.6 KB)
he-ipv6 Link encap:IPv6-in-IPv4
inet6 addr: 2001:470:1f0a:b87::2/64 Scope:Global
inet6 addr: fe80::4e9b:db64/64 Scope:Link
UP POINTOPOINT RUNNING NOARP MTU:1480 Metric:1
RX packets:48 errors:0 dropped:0 overruns:0 frame:0
TX packets:21 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:4992 (4.9 KB) TX bytes:2184 (2.1 KB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:164 errors:0 dropped:0 overruns:0 frame:0
TX packets:164 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:12256 (12.2 KB) TX bytes:12256 (12.2 KB)
tun6to4 Link encap:IPv6-in-IPv4
inet6 addr: 2002:4e9b:db64::1/16 Scope:Global
inet6 addr: ::78.155.219.100/96 Scope:Compat
UP RUNNING NOARP MTU:1480 Metric:1
RX packets:3 errors:0 dropped:0 overruns:0 frame:0
TX packets:13 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:312 (312.0 B) TX bytes:1352 (1.3 KB)
ip -6 route add 2000::/3 dev he-ipv6
ip tunnel add he-ipv6 mode sit remote 216.66.80.30 local 78.155.219.100 ttl 255
ip link set he-ipv6 up
ip addr add 2001:470:1f0a:b87::2/64 dev he-ipv6
ip -6 route add 2000::/3 dev he-ipv6
ip -6 a a 2001:470:1f0b:b7f::11/64 dev he-ipv6 noprefixroute
curl --interface 2001:470:1f0b:b7f::11 "http://myexternalip.com/raw"