Tinc tunnel between two subnets

[Zia Syed]

btw i am able to ping A and B, but not C from A

On Machine A

root at homer1:/etc/tinc/erix# ping 10.16.66.199
PING 10.16.66.199 (10.16.66.199) 56(84) bytes of data.
64 bytes from 10.16.66.199: icmp_seq=1 ttl=64 time=22.4 ms
64 bytes from 10.16.66.199: icmp_seq=2 ttl=64 time=20.2 ms
^C
--- 10.16.66.199 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1001ms
rtt min/avg/max/mdev = 20.263/21.336/22.409/1.073 ms

root at homer1:/etc/tinc/erix# route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use
Iface
0.0.0.0         192.168.1.1     0.0.0.0         UG    0      0        0 em1
10.16.66.0      0.0.0.0         255.255.255.0   U     0      0        0 erix
172.17.0.0      0.0.0.0         255.255.0.0     U     0      0        0
docker0
192.168.1.0     0.0.0.0         255.255.255.0   U     0      0        0 em1

On Machine B

root at raspberrypi:/etc/tinc/erix# ping 192.168.1.150
PING 192.168.1.150 (192.168.1.150) 56(84) bytes of data.
64 bytes from 192.168.1.150: icmp_req=1 ttl=64 time=21.4 ms
64 bytes from 192.168.1.150: icmp_req=2 ttl=64 time=20.5 ms
^C
--- 192.168.1.150 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1001ms
rtt min/avg/max/mdev = 20.500/20.995/21.490/0.495 ms

root at raspberrypi:/etc/tinc/erix# route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use
Iface
0.0.0.0         10.16.0.1       0.0.0.0         UG    0      0        0 eth0
10.16.0.0       0.0.0.0         255.255.0.0     U     0      0        0 eth0
192.168.1.0     0.0.0.0         255.255.255.0   U     0      0        0 erix



On Tue, Jul 8, 2014 at 2:28 PM, Zia Syed <xia.syed at gmail.com> wrote:

> On Machine B (notice new IP :( )
>
> root at raspberrypi:/etc/tinc/erix# tincd -n erix -d 3
>
> root at raspberrypi:/etc/tinc/erix# route -n
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags Metric Ref    Use
> Iface
> 0.0.0.0         10.16.0.1       0.0.0.0         UG    0      0        0
> eth0
> 10.16.0.0       0.0.0.0         255.255.0.0     U     0      0        0
> eth0
>
> root at raspberrypi:/etc/tinc/erix# INTERFACE=erix /etc/tinc/erix/tinc-up
> RTNETLINK answers: File exists
>
>
> On Machine A
> root at homer1:/etc/tinc/erix# tincd -n erix -d 3
>
> root at homer1:/etc/tinc/erix# route -n
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags Metric Ref    Use
> Iface
> 0.0.0.0         192.168.1.1     0.0.0.0         UG    0      0        0 em1
> 172.17.0.0      0.0.0.0         255.255.0.0     U     0      0        0
> docker0
> 192.168.1.0     0.0.0.0         255.255.255.0   U     0      0        0 em1
>
> root at homer1:/etc/tinc/erix# INTERFACE=erix /etc/tinc/erix/tinc-up
> RTNETLINK answers: File exists
>
>
>
> On Tue, Jul 8, 2014 at 1:27 PM, Guus Sliepen <guus at tinc-vpn.org> wrote:
>
>> On Tue, Jul 08, 2014 at 12:33:10PM -0700, Zia Syed wrote:
>>
>> > Thanks guys. First off, i removed the 15.0.0.0 and now I can am not
>> able to
>> > ping even A and B. Here is the updated network diagram.
>> > http://cl.ly/image/0E1n0s1v043u
>> >
>> > On Machine A:
>> > ---------------------------
>> > ubuntu at homer:/etc/tinc/erix$ more hosts/esprit1
>> > Subnet = 192.168.1.0/32
>> > Address = <Public IP>
>>
>> The Subnet should be 192.168.1.0/24, not /32.
>>
>> > On Machine B:
>> > ---------------------------
>> > pi at raspberrypi /etc/tinc/erix $ more hosts/pi
>> > Subnet = 10.16.50.0/32
>>
>> Here it's the same, it should be 10.16.50.0/24.
>>
>> > ubuntu at homer1:/etc/tinc/erix$ route -n
>> > Kernel IP routing table
>> > Destination     Gateway         Genmask         Flags Metric Ref    Use
>> > Iface
>> > 0.0.0.0         192.168.1.1     0.0.0.0         UG    0      0        0
>> em1
>> > 172.17.0.0      0.0.0.0         255.255.0.0     U     0      0        0
>> > docker0
>> > 192.168.1.0     0.0.0.0         255.255.255.0   U     0      0        0
>> em1
>> [...]
>> > Even though I have 'ip route add .." in both tinc-up, i dont see the
>> route
>> > in 'route -n'.
>>
>> Hm. When tinc is started, what happens if you run the tinc-up script by
>> hand like this?
>>
>> INTERFACE=erix /etc/tinc/erix/tinc-up
>>
>> > pi at raspberrypi /etc/tinc/erix $ ping 192.168.1.150
>> > PING 192.168.1.150 (192.168.1.150) 56(84) bytes of data.
>> > From 192.168.1.150 icmp_seq=1 Destination Net Unknown
>>
>> That's tinc telling you it doesn't know about the IP address
>> 192.168.1.150, because you added /32 instead of /24 Subnets in the host
>> config files.
>>
>> > Could this be I am not setting the gateway for this route correctly on
>> B?
>>
>> You should not have to set a gateway. The rest of your configuration
>> looks fine to me, so the only problems are the Subnets and the fact that
>> the routes are not added by the tinc-up script.
>>
>> --
>> Met vriendelijke groet / with kind regards,
>>      Guus Sliepen <guus at tinc-vpn.org>
>>
>> _______________________________________________
>> tinc mailing list
>> tinc at tinc-vpn.org
>> http://www.tinc-vpn.org/cgi-bin/mailman/listinfo/tinc
>>
>>
>
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