BIRD, Route Source and BSD

[Ondrej Zajicek]

On Fri, Nov 25, 2016 at 05:45:52PM +0100, Jean-Baptiste COUPIAC wrote:
> Hello list,
> 
> I'm a new in Bird word :).
> 
> I'm working on a Bird mock-up. I'm actually blocked on OSPF filters.
> 
> ...
> And when I check the bird route when network is accepted, I can see "OSPF"
> bird> show  route
> 0.0.0.0/0          via 192.168.0.254 on xn0 [kernel1 16:35:00] * (10)
> 192.168.0.221/32   dev lo0 [kernel1 16:35:00] * (10)
> *80.247.227.0/24 <http://80.247.227.0/24>    via 172.16.51.4 on xn1 [OSPF
> 16:42:18] * I (150/20) [192.168.0.223]*
> 172.16.51.1/32     dev lo0 [kernel1 16:35:00] * (10)
> bird>
> 
> So I don't understand why *&& (source ~ [ RTS_OSPF_EXT1, RTS_OSPF_EXT2 ]) *does
> not match when the rule is added to my filter ?

Hello

The expression does not mach because you are matching against OSPF
external route types, while the route is OSPF internal route (RTS_OSPF).
You have to use:

  [ RTS_OSPF, RTS_OSPF_IA, RTS_OSPF_EXT1, RTS_OSPF_EXT2 ]

For a set of all OSPF route types.

Or just check that source = RTS_OSPF if you know the route is OSPF internal.


-- 
Elen sila lumenn' omentielvo

Ondrej 'Santiago' Zajicek (email: santiago at crfreenet.org)
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"To err is human -- to blame it on a computer is even more so."