Problems pinging PC on tunnel

[Jeroen Vriesman]

Hi,

this is the idea:

you have two machines in differen subnets e.g. :

machine 1: 10.20.40.0/24
machine 2: 10.20.41.0/24

When running tinc, you make a network "10.20.0.0/16", connected to the
virtual device.

Now, the virtual interface can have the same ip address as the physical
interface on each machine, yes, really, two interfaces on the same machine,
with the same ip address, just a different netmask.

so you get the following routing:

machine 1:
10.20.40.0/24 -> physical interface
10.20.0.0/16 -> virtual interface
with ip address for both interfaces e.g. 10.20.40.1

machine 2:
10.20.41.0/24 -> physical interface
10.20.0.0/16 -> virtual interface
with ip address for both interfaces e.g. 10.20.41.1

cheers.

On Thu, Mar 27, 2008 at 2:43 PM, Viktors Žilinskis <
viktors.zilinskis at vianova.lv> wrote:

> Hello!
>
> I have set up tunnel between a FreeBSD machine and Windows Vista. Tunnel
> is established, but when I try to ping either end ping fails. I have
> temporarily switched off firewalls on both machines, no luck.
>
> Here is client tinc.conf on Vista:
> Name = lenovo_client
> ConnectTo = lenovo_server
> Interface = tinctap
> Subnet = 10.20.40.0/24
>
> Sevrer tinc.conf on FreeBSD:
> Device=/dev/tap0
> Name=lenovo_server
> PrivateKeyFile=/usr/local/etc/tinc/lenovo/rsa_key.priv
>
> Client host file:
> Compression=9
> Subnet = 10.20.40.0/24
> -----BEGIN RSA PUBLIC KEY-----
> ...
> -----END RSA PUBLIC KEY-----
>
>
> Server host file:
> Compression=9
> Subnet=10.20.40.0/24
> Address=xx.xxx.xxx.xxx
> -----BEGIN RSA PUBLIC KEY-----
> ...
> -----END RSA PUBLIC KEY-----
>
> Entry in tinc-up on server side:
> ifconfig $INTERFACE 10.20.40.1 netmask 255.255.255.0
>
> Tap interface properties set in Vista:
> IP = 10.20.40.2 Subnet = 255.255.255.0
>
> Unfortunately I'm not strong in networking and have been unsuccessfully
> struggling with this setup for whole day. I want to make a simple tunnel
> between these two PCs and later maybe add some more so that they think
> they're in same network. IMHO they should be in one network when tunnel is
> established, server having ip 10.20.40.1 and client 10.20.40.2. When I try
> to ping them respectively I got 100% loss or host is down messages. What's
> wrong?
>
> Best Regards,
> Viktors
>
>
>
>
> --
> Viktors Žilinskis
> _______________________________________________
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> tinc at tinc-vpn.org
> http://www.tinc-vpn.org/cgi-bin/mailman/listinfo/tinc
>
>
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