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Re: IPv6 over OpenVPN



On Sun, 2007-07-15 at 15:32 +0200, Petr Benes wrote:
> > No go.
> > I can create the tunnel; I can see sit0 with all the binded
> > interfaces, but I cannot ping the other end.
> > Any idea what to check?
> >
> > - Gilboa
> 
> What gives ping6 -I TUNNEL_NAME ff02::1? Should look like:
> PING ff02::1(ff02::1) from fe80::c0a8:fe01 dur-tun: 56 data bytes
> 64 bytes from fe80::c0a8:fe01: icmp_seq=1 ttl=64 time=0.097 ms
> 64 bytes from fe80::c0a8:ff01: icmp_seq=1 ttl=64 time=36.5 ms (DUP!)
> 64 bytes from fe80::c0a8:fe01: icmp_seq=2 ttl=64 time=0.021 ms
> 64 bytes from fe80::c0a8:ff01: icmp_seq=2 ttl=64 time=15.5 ms (DUP!)
> 64 bytes from fe80::c0a8:fe01: icmp_seq=3 ttl=64 time=0.021 ms
> 
> You should check the firewall and, may be, consider beeing more specific 
> about your tunnel setup.
> 
> Petr
> 

Point taken.
I've got two (sub) networks.
One at work and one at home.
I need to conduct tests on IPv6 in a secure environment. (Hence my IPv6
setup is looking like a beefed-up IPv4/NAT setup)

The network configuration is pretty simple:
Home: IPv4: 192.168.10.x/24, IPv6: 2000::200x/16. (Locals)
Work:  IPv4: 192.168.11.x/24, IPv6: 2000::300x/16. (Locals)
I'm using openvpn to connect the two networks.
Each firewall (+OpenVPN server) is using iptables to route packets
between the two networks/Internet.

... Now I want to send IPv6 packets between the two networks.

- Gilboa


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