OSPF stubnets of PtP interfaces

[Manuel Thoenes]

Hi Thomas,

no, randomly adding host-routes to peers addresses is an unwanted behavour
imo.

The more important question is: why are you using a /32 transit network?
Your OS will add a route to your peer when using /31 or less.
Am 10.10.2014 12:05 schrieb "Thomas Goldberg" <t.goldberg77 at gmail.com>:

> Hello,
>
> we've OSPF running over a openvpn ptp tunnel and some problems with
> the routes injected by bird (v1.4.5).
>
> OSPF is running in PtP mode on the tun0 interface of each router. The
> problem is that bird doesn't inject any routers for the local
> interface IP as intra-area route into OSPF itself. We've to inject
> them as external route via import of routes learned by a direct
> protocol (d_local).
> This is how the end result looks:
>
> Router A:
> interface config:
> 17: tun0: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc
> pfifo_fast state UNKNOWN qlen 100
>     link/none
>     inet 10.176.3.29 peer 10.176.3.30/32 scope global tun0
>
> bird routes:
> 10.176.3.30/32     dev tun0 [d_local 2014-10-07 16:13:46] * (240)
> 10.176.3.29/32     via 10.176.3.30 on tun0 [o_internal 2014-10-09
> 17:45:44] * E1 (150/100) [10.176.3.30]
>
>
> Router B:
> interface config:
> 13: tun0: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc
> pfifo_fast state UNKNOWN group default qlen 100
>     link/none
>     inet 10.176.3.30 peer 10.176.3.29/32 scope global tun0
>
> bird routes:
> 10.176.3.29/32     dev tun0 [d_local 2014-10-09 17:45:43] * (240)
> 10.176.3.30/32     via 10.176.3.29 on tun0 [o_internal 2014-10-09
> 17:40:51] * E1 (150/100) [10.176.3.29]
>
>
> Shouldn't bird inject routes like this on the corresponding router
> (without having to learn them via the direct protocol)?
> 10.176.3.29/32 dev lo [o_internal 2014-10-09 00:00:00] * I (150/0)
> [10.176.3.29]
>
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