[Olsr-users] multiple domains in olsrv2

[Henning Rogge]

Hi,

does your olsrd2-executable contain the route_modifier plugin? run
"olsrd2 --version" to get a list of plugins.

Henning
On Mon, Oct 1, 2018 at 3:51 PM Gabriel <(spam-protected)> wrote:
>
> Il 2018-10-01 09:36 Henning Rogge ha scritto:
> > Hi,
> >
> > there is a plugin called "route_modifier" for olsrd2 (which you can
> > select in the OpenWRT config) that allows you to change things like
> > protocol and routing-table for routes that fit a filter you set.
> >
> > You should be able to define a "default route" filter like this:
> >
> > [route_modifier=1]
> >     prefix_length  0
> >     table 123456
> >
>
> This solution seems much  better than mine, since I won't have to modify
> all the gateway of the network.
> However i've tryied with this UCI section:
>
> config route_modifier '1'
>          option prefix_length '0'
>          option table '112'
>
> And the route:
> default via 172.19.64.1 dev eth0.5  src 172.19.189.1  metric 2 onlink
>
> is still in the table 111.
>
> I've tryied playing with the matches acl using 'default_accept' or
> '0.0.0.0' but it doesnt work either.
>
> Any other hints?
>
> Thanks, Gabriel
>
> > the name "1" behind route_modifier is not processed at all, it just
> > allows you to define multiple filters. run "olsrd2_static
> > --schema=route_modifier" to get a list of all parameters.
> >
> > I just pushed a change to the development branch that the plugin is
> > activated (for non-OpenWRT) by default too.
> >
> > Henning
> > On Sun, Sep 30, 2018 at 9:07 PM Gabriel <(spam-protected)> wrote:
> >>
> >> Hello, we've been using Olsrv2 in our community network for some time.
> >> Now we'd like to deploy a few nodes with policy routing, and to do so
> >> we
> >> need to differentiate between local routers and default gw routes.
> >> In OLSRv1 we were doing this using the "RtTableDefault" parameter. In
> >> OLSRv2 seems that there's no easy way to do it.
> >>
> >> I've tryied to add the "domain=x" to the lan option of the olsrv2
> >> section to create a domain for specific default gateway and the inject
> >> this domain in a specific route with the section "domain".
> >>
> >> This is a configuration sample:
> >>
> >> config domain '1'
> >>          option table '112'
> >> config domain '0'
> >>          option table '111'
> >> config olsrv2 'olsrv2'
> >>          list lan '10.150.25.0/24 domain=0'
> >>          list lan '0.0.0.0/0 domain=1'
> >> config interface 'olsr2_common'
> >>          list ifname 'ninux'
> >>          list ifname 'loopback'
> >> config telnet 'telnet'
> >>          option port '2009'
> >>          option bindto '127.0.0.1'
> >>
> >> I can reach correctly all the local destination in the network, but
> >> the
> >> gateways with domain=1 are not being injected into the table '112'.
> >>
> >> This is the output on the node that is exporting the default on the
> >> domain 1.
> >>
> >> (spam-protected):~#  echo "/olsrv2info lan" | nc 127.0.0.1 2009
> >> 0.0.0.0/0       0.0.0.0/0       1       Hopcount metric 0x1     1
> >>  2
> >> 10.150.13.0/24  0.0.0.0/0       0       ff_dat_metric   2Gbit/s 1
> >>  2
> >>
> >> It shows that the default route is being exported correctly, however
> >> on
> >> the other nodes that route is not even displayed by the command:
> >> "/olsrv2info route"
> >>
> >> Probably I'm doing something wrong in the configuration, but since the
> >> documentation on multiple domain is a bit short I dont really know
> >> what
> >> else to try.
> >>
> >> Thanks,
> >> Gabriel