[Olsr-users] multiple domains in olsrv2

[Gabriel]

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