On Mon, May 21, 2012 at 02:58:50PM +0200, Hendrik Meyburgh wrote:
> Hi,
>
> I have a problem where the default install of 5.1 does not import routes into
> the rdomain solely based on the community but it uses the route
> distinguisher.
>
> This causes the below scenario:
>
> in bgpd.conf
> rdomain 2 {
> descr "Testing"
> rd 65001:238
> import-target rt 65001:238
> export-target rt 65001:238
> depend on mpe2
> network 192.168.10.2/32
> }
>
>
> from bgpctl show ip bgp detail:
>
> Route that gets imported:
> BGP routing table entry for rd 65001:238 192.168.76.128/25
> 65001
> Nexthop 172.16.0.1 (via 10.10.10.4) from AS 65002 peer 1 (172.16.0.1)
> Origin incomplete, metric 0, localpref 100, external, valid, best
> Last update: 00:14:46 ago
> Ext. communities: rt 65001:238
>
> route that does not get imported:
> BGP routing table entry for rd 172.16.0.1:425 192.168.70.0/23
> 65001 64544
> Nexthop 172.16.0.1 (via 10.10.10.4) from AS 65002 peer 1 (172.16.0.1)
> Origin IGP, metric 0, localpref 100, external, valid, best
> Last update: 00:14:46 ago
> Ext. communities: rt 65001:238
>
>
> I came across the below link which contained some suggested patches where some
> has been imported into -current and some have not.
>
> http://www.mentby.com/Group/openbsd-misc/route-target-import-export-in-bgpd.h
> tml
>
> My question is, how do I know into what source these patches must be merged as
> I have tried -current and -stable but on both I ran into issues merging as
> there as some problems with the spacing when copying from the browsers.
Yeah, you need to fetch the raw message for that. IIRC marc.info offers
that. Copy-paste almost never works.
> Do anyone know if this fix has been implemented already into a tree that I am
> not aware of?
This is fixed in -current. At least the problem with using the RD for
distribution. What is not yet fixed is the problem with reimporting a
prefix on the same machine but into different routing domain. The problem
here is that I don't like my own diff. I want a cleaner fix for this but
did not have time to fix this.
--
:wq Claudio
