Hello Dawid,
I fought with this one for some time, I did get it working with OpenVPN but
threw it out in favor of Tinc in the end…
Here is are the couple gotchas I ran into for OenVPN;
1. Use tap instead of tun
2. Ensure you have an interface (show interfaces)
If you do not have interfaces on the “client side” add;
protocol device {
scan time 10;
}
The tricky part after getting OSPF online was actually getting anything to
route… but that is for later (;
Cheers,
Mike
--
Michael McConnell
WINK Streaming;
email: mich...@winkstreaming.com
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> On Mar 29, 2018, at 7:02 AM, dawid k <tookie009smi...@gmail.com> wrote:
>
> Here my configuration (client):
>
> ifconfig tun0:
> tun0 Link encap:UNSPEC HWaddr
> 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
> inet addr:10.29.0.10 P-t-P:10.29.0.9 Mask:255.255.255.255
>
> bird_ospf.conf (included in bird.conf) :
>
> protocol ospf myOSPF {
> area 0.0.0.0 {
> interface "tun0" {
> cost 10;
> type ptp;
> stub no; hello 10; transmit delay 5; wait 10; dead 40;
> neighbors {
> 10.29.0.1;
> }; }; };
>
> tcpdump -v -XX proto ospf -i tun0 (confirmation, that hello messages are
> sent and received) :
>
>
> 12:59:03.143238 IP (tos 0xc0, ttl 1, id 15765, offset 0, flags [none], proto
> OSPF (89), length 64)
> 10.29.0.01 > 224.0.0.5 <http://224.0.0.5/>: OSPFv2, Hello, length 44
> ...
> 12:59:09.157965 IP (tos 0xc0, ttl 1, id 59599, offset 0, flags [none], proto
> OSPF (89), length 64)
> 10.29.0.10 > 224.0.0.5 <http://224.0.0.5/>: OSPFv2, Hello, length 44
>
>
> The server is using similar configuration. It differs only by IP(10.29.0.1)
> and router-ID.
>
>
>
> 2018-03-29 13:37 GMT+02:00 dawid k <tookie009smi...@gmail.com
> <mailto:tookie009smi...@gmail.com>>:
> I'm trying to set up pretty simply configuration consisting of two linux
> machines connected over tun-interface created by OpenVPN.
>
> The VPN-connection is working fine - I can send data over this interface. Now
> I installed bird and configured ospf on both devices. I can see that both
> bird instances are sending hello packets on tun-interface however no one of
> them is getting the message.
>
> I can see with tcpdump, that every device is getting the hello-message.
> However they are not forwarded to bird or bird just ignores them.
>
> I tried my setup over cabel with eth0-interface and everything is working
> fine. Right now every machine is advertising just one example static network.
> I will focus on correct advertising later after I connect those two
> instances.
>
> The tun0 interface is working in type ptp and the netmask is 255.255.255.255.
> Do you have any idea what's wrong?
>
> Thanks for every input, tookie009
>
