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HE.net IPv6 tunnel trouble
https://forum.linode.com/viewtopic.php?f=19&t=2691		 Page 1 of 1
Author:  larz [ Fri Apr 13, 2007 4:25 am ]
Post subject:  HE.net IPv6 tunnel trouble
I'm having trouble getting my hurricane electric tunnel set up on a fremont-based linode.

I've set the IPv4 endpoint to my Linode's IP, tried the suggested configuration options (from tunnelbroker.net).

From browsing through the linode forums I found the following script:
Code:
#!/bin/sh

#
# Tunnel from HE - www.tunnelbroker.net 
#
export IPV4="65.19.178.122"
export IPV6="2001:470:1F00:FFFF::E77"
#
ip tunnel add sixbone mode sit remote 64.71.128.82 local $IPV4 ttl 255
ip link set sixbone up
ip addr add $IPV6 dev sixbone
ip route add ::/0 dev sixbone


The linode is a clean install of Ubuntu 6.06. After running the script, I can't ping6 any ipv6 host. Can't even ping6 the server endpoint of the tunnel 2001:470:1F00:FFFF::E76.

Traceroutes to the linode's ipv6 get as far as tserv1.fmt.ipv6.he.net (2001:470:1fff:0:2e0:feef:fe07:c000).

I *can* ping the IPv4 address of the tunnel broker server (64.71.128.82) with no problem.

I had my linode working fine before with the Sixxs AICCU client connected to the atlanta tunnel, but have sense migrated to the west coast for the improved latency to asia-pacific.

I'll post some other network info at the end of this post.

Can anybody shed some light on what I'm doing wrong?

Many thanks!


Code:
root@none:~ # ifconfig 
eth0      Link encap:Ethernet  HWaddr FE:FD:41:13:B2:7A  
          inet addr:65.19.178.122  Bcast:65.19.178.255  Mask:255.255.255.0
          inet6 addr: fe80::fcfd:41ff:fe13:b27a/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:2331 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1607 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:216297 (211.2 KiB)  TX bytes:271590 (265.2 KiB)
          Interrupt:5 

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:16436  Metric:1
          RX packets:8 errors:0 dropped:0 overruns:0 frame:0
          TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:832 (832.0 b)  TX bytes:832 (832.0 b)

sit0      Link encap:IPv6-in-IPv4  
          inet6 addr: ::65.19.178.122/96 Scope:Compat
          inet6 addr: ::127.0.0.1/96 Scope:Unknown
          UP RUNNING NOARP  MTU:1480  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)

sit1      Link encap:IPv6-in-IPv4  
          inet6 addr: fe80::4113:b27a/64 Scope:Link
          inet6 addr: 2001:470:1f00:ffff::e77/64 Scope:Global
          UP POINTOPOINT RUNNING NOARP  MTU:1480  Metric:1
          RX packets:1 errors:0 dropped:0 overruns:0 frame:0
          TX packets:41 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:64 (64.0 b)  TX bytes:5084 (4.9 KiB)

sixbone   Link encap:IPv6-in-IPv4  
          inet6 addr: fe80::4113:b27a/128 Scope:Link
          inet6 addr: 2001:470:1f00:ffff::e77/128 Scope:Global
          UP POINTOPOINT RUNNING NOARP  MTU:1480  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)
Author:  JDM [ Fri Apr 13, 2007 9:08 am ]
Post subject: 
It looks like you have both the sixbone and sit1 devices set up with the IPv6 addresses. Try bringing them both down, deleting your global IPv6 routes, and then bringing them up again.

You can also check the Ipv6 page on the wiki:
http://www.linode.com/wiki/index.php/IPv6
Author:  larz [ Thu Apr 19, 2007 6:25 pm ]
Post subject: 
Thanks.

I tried following the FAQ instructions with no luck. Here's what I added to the interfaces file (I'm using ubuntu dapper). Numbers are different from before because I signed up for a new tunnel.


Code:
auto hetunnel
iface hetunnel inet6 v4tunnel
               address 2001:470:1F03:ED8::2
               netmask 64
               endpoint 64.71.128.83
               up ip route add ::/0 dev hetunnel
               up ip tunnel change hetunnel ttl 64




The result after boot is:

Code:
root@panda:~ # ifconfig 
eth0      Link encap:Ethernet  HWaddr FE:FD:40:3E:E7:9D  
          inet addr:65.19.178.122  Bcast:65.19.178.255  Mask:255.255.255.0
          inet6 addr: fe80::fcfd:40ff:fe3e:e79d/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:4685 errors:0 dropped:0 overruns:0 frame:0
          TX packets:4310 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:963162 (940.5 KiB)  TX bytes:302161 (295.0 KiB)
          Interrupt:5 

eth0:1    Link encap:Ethernet  HWaddr FE:FD:40:3E:E7:9D  
          inet addr:64.62.231.157  Bcast:64.62.231.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          Interrupt:5 

hetunnel  Link encap:IPv6-in-IPv4  
          inet6 addr: 2001:470:1f03:ed8::2/64 Scope:Global
          inet6 addr: fe80::4113:b27a/64 Scope:Link
          inet6 addr: fe80::403e:e79d/64 Scope:Link
          UP POINTOPOINT RUNNING NOARP  MTU:1480  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)

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:16436  Metric:1
          RX packets:6 errors:0 dropped:0 overruns:0 frame:0
          TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:448 (448.0 b)  TX bytes:448 (448.0 b)


No firewall (shorewall turned off):


Code:
root@panda:~ # iptables --list   
Chain INPUT (policy ACCEPT)
target     prot opt source               destination         

Chain FORWARD (policy ACCEPT)
target     prot opt source               destination         

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination


Tunnel endpoint is set properly at tunnelbroker.net (triple checked this....and have tried with both ipv4 addresses on the linode).

Am I doing something wrong?

Can someone else that uses HE tunnel with a linode verify that HE tunnel system is actually up and working?
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