OSPFv3 using Link-Local instead of Global

[Darren O'Connor]

Why do you need to change it? This is how OSPFv3 is supposed to work -
https://tools.ietf.org/html/rfc5340#page-7

On Sun, 22 Apr 2018 at 02:36, Stefan Schultheis (home) <stefan at schultheis.at>
wrote:

> Hi,
>
> it's not a problem as everything works, but I see that OSPFv3 does
> adjecencies via Link-Local addresses (fe80) instead of global routed ones:
>
> $ birdc6 show ospf neigh
> BIRD 1.6.3 ready.
> ospf1:
> Router ID       Pri         State         DTime    Interface  Router IP
> 78.xxx.yyy.37      1    Full/PtP      00:17    enp1s0.503
> fe80::202:c9ff:fe52:2776
> 78.xxx.yyy.36      1    Full/PtP      00:19    enp1s0.508
> fe80::202:c9ff:fe10:f084
>
> Also, routing in Kernel is using link local address:
> $ netstat -nr -A inet6 | grep 2a00:11c0
> 2a00:11c0:47:3::2a/127         fe80::202:c9ff:fe52:2776   UG   1024 2
> 50 enp1s0.503
>
> Does anyone have a hint on how to easily make it use the global scope IPs
> instead of Link Local? I don't want to explicitely name IPs in the config
> if this can be avoided...
>
> The config file is as simple as can be:
> protocol ospf {
>         import all;
>         export all;
>
>         area 0 {
>                 interface "lo" {
>                         cost 5;
>                         hello 5; retransmit 2; wait 10; dead 20;
>                 };
>
>                 interface "enp1s0.503" {
>                         cost 5;
>                         type pointopoint;
>                         hello 5; retransmit 2; wait 10; dead 20;
>                 };
>
>                 interface "enp1s0.508" {
>                         cost 1000;
>                         type pointopoint;
>                         hello 5; retransmit 2; wait 10; dead 20;
>                 };
>         };
> }
>
> Thank you!
>
> LgS
>
>
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