Re: Bird OSPF Problems

[Lucian Cristian <luci@createc.ro>]

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On 16.04.2018 13:31, Zsolt Hegyi wrote:
> Hi Cedric,
>
> As far as I know, wireguard doesn't support multicasts yet, which OSPF 
> uses for neighbor discovery. The reason why BGP works is because it 
> uses unicast TCP packets as means of communication.
>
> To get around this, try telling BIRD that your wireguard interface is 
> an NBMA network (or a point-to-point link).
>
> vista
>
> On Mon, 16 Apr 2018, 11:27 cedric Kienzler, <cedrickienzler1@gmail.com 
> <mailto:cedrickienzler1@gmail.com>> wrote:
>
>     Hey List,
>
>     i'm currently facing issues with OSPF over the wireguard tunnel.
>
>     I use both, IPv4 and IPv6 and everything works fine. I can ping
>     through the tunnel, traffic flows perfectly, but when i try to
>     configure OSPF using the Bird routing daemon, i didn't even see a
>     HELLO message. Also when trying to list the interface using 'show
>     ospf interfaces' i didn't even see the Interface.
>
>     For IPv6 i use 2a03.... as prefix.
>     Should i configure multicast IPv6 (fe80::) on the interface too to
>     get OSPF working?
>
>     Interesting fact: BGB using Bird works just fine.
>
>     Anyone here that could help me?
>
>
>     Thanks a lot.
>
>     Best regards,
>     Cedi
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>
>
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I have something like this (but with frr/quagga)


router ospf
ospf router-id 172.16.223.2
network 192.168.123.0/24 area 1
network 172.16.223.0/24 area 1

172.16.223.2 being the wg0 local interface

Regards


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