bird2 : announce loopack addresses in OSPFv3

[Bastien Durel]

Le lundi 07 février 2022 à 16:47 +0100, BASSAGET Cédric a écrit :
> Hello.
> I'm trying to reproduce a config which worked in bird1.6 (bird6)
> I need to announce the IPv4 and IPv6 loopback addresses of lo:1 
> 
> 
> protocol direct direct_lo {
>         interface "lo";
>         ipv4;
>         ipv6;
> }
> 
> protocol ospf v3 OSPFv3_backbone {
>     debug all;
>     ipv6 {
>         export where proto = "direct_lo";
>     };    
> area 0 {
>         networks {
>             ...
>         };
>         interface "ens20" {
>             ...
>         };
>     };
> }
> 
> I don't know if it's normal but I have no prefixes in :
> 
> bird> show protocols all direct_lo
> Name       Proto      Table      State  Since         Info
> direct_lo  Direct     ---        up     16:16:59.087  
>   Channel ipv4
>     State:          UP
>     Table:          master4
>     Preference:     240
>     Input filter:   ACCEPT
>     Output filter:  REJECT
>     Routes:         0 imported, 0 exported, 0 preferred
>     Route change stats:     received   rejected   filtered    ignored
>   accepted
>       Import updates:              0          0          0          0
>          0
>       Import withdraws:            0          0        ---          0
>          0
>       Export updates:              0          0          0        ---
>          0
>       Export withdraws:            0        ---        ---        ---
>          0
>   Channel ipv6
>     State:          UP
>     Table:          master6
>     Preference:     240
>     Input filter:   ACCEPT
>     Output filter:  REJECT
>     Routes:         0 imported, 0 exported, 0 preferred
>     Route change stats:     received   rejected   filtered    ignored
>   accepted
>       Import updates:              0          0          0          0
>          0
>       Import withdraws:            0          0        ---          0
>          0
>       Export updates:              0          0          0        ---
>          0
>       Export withdraws:            0        ---        ---        ---
>          0
> 
> 
> 
> and no route exported to OSPF :
> bird> show route export OSPFv3_backbone
> bird>
> 
> 
> What am I doing wrong ?
> Regards 

Hello,

If I remember well, ospfv3 needs to have an address in fe80::/64 on an
interface to get addresses from it.
lo usually does not have it, you should add one.

Regards,


-- 
Bastien