Changing ECMP weight on OSPF routes with an ingress filter

[Alarig Le Lay]

Hi,

On 18/11/2019 16:04, Ondrej Zajicek wrote:
> On Wed, Nov 13, 2019 at 06:38:09PM +0100, Alarig Le Lay wrote:
>> Hi,
>>
>> bird> show route all 0.0.0.0/0
>> Table master4:
>> 0.0.0.0/0            unicast [ospf_ipv4 12:15:31.798] I (150/30) [89.234.186.31]
>>         via 45.91.126.233 on tinc0 weight 1
>>         via 45.91.126.235 on tinc0 weight 1
>>         via 45.91.126.236 on tinc0 weight 1
>>         Type: OSPF univ
>>
>> I tried to change ecmp_weight on the ospf import filter matching the
>> router ID, but I have this message: “/etc/bird.conf:81:22 Symbol
>> `ecmp_weight' is read-only.”
> 
> Hi
> 
> We currently do not support changing properties of specific nexthops
> (limitation of BIRD-script). You can configure per-interface weight
> in OSPF, but that probably does not help in your case (as they are
> all in tinc0).
> 

Thanks for the clarification! I think that it will be easier to switch
to BGP for now.

Kind regards,
-- 
Alarig