Hurricane IPv6 buffer space error

I am trying to set up a Hurricane IPv6 tunnel on my Ubuntu 11.10 computer. I have set up my /etc/network/interfaces file as stated on .

My /etc/network/interfaces file is the following:

auto lo
iface lo inet loopback
auto he-ipv6
iface he-ipv6 inet6 v4tunnel endpoint 209.51.161.14 address 2001:470:1f06:6::2/64 netmask 64 up ip -6 route add default dev he-ipv6 down ip -6 route del default dev he-ipv6

When I try to start IPv6 by running sudo ifup he-ipv6, I receive the following:

add tunnel sit0 failed: No buffer space available
Failed to bring up he-ipv6.

I have double checked that the data I entered from Hurricane is correct. What is causing this problem, and how can I fix it?

2 Answers

Problem 1: the /64 on the end of the address parameter is incorrect. That's what the netmask parameter is for; you should delete the /64 on the end of address.

However, the error you're seeing is what you'd expect if there was already a tunnel configured with the name "he-ipv6". At a guess, you've already run ifup he-ipv6, and it's got as far as creating the tunnel before falling over with an error due to the trailing /64. Try doing

sudo ip tun del he-ipv6

to delete the half-configured tunnel before trying again.

I have configured this option at home too, with Hurricane. It works! but pay attention the following:

1 - I am using ubuntu 11.10

2 - I disabled my manual configuration and bridge configuration at /etc/network/interfaces and set eth0 just like " auto etho / iface eth0 inet dhcp"

3 - I have followed the configurations video at Hurricane Website . The video named "Tunnelbroker.net Tour & Tunnel Creation"

4 - Unless you set the Public Ip of your ISP ( because I don't have a static puclic IP), you need to set YOUR end point IP (LAN) in this parameter "endpoint 209.51.161.14", for example.... # ifconfig

eth0 Link encap:Ethernet Endereço de HW f4:6d:04:d0:db:e3 inet end.: 192.168.25.22 Bcast:192.168.25.255 Masc:255.255.255.0

So do: "endpoint 192.168.25.22"

I have confgured my ipv6 address like route2...copy the comands and paste in the shell, no in the interfaces configuration file.