Hello! BIRD reads the routes from kernel anyway, the import clause applies only on learned external routes. Do you have any export filter on that kernel protocol? Don't you have any suspicious warnings in log? Maria On August 2, 2020 7:08:11 PM GMT+02:00, Alarig Le Lay <alarig@swordarmor.fr> wrote:
Hi Sasha,
On Sun 02 Aug 2020 17:36:13 GMT, Sasha Romijn wrote:
protocol kernel { scan time 20; ipv4 { export all; import none; }; }
I think that the issue is there, you’re not importing routes from the kernel, so bird doesn’t know that they exist, but you export all routes to it. So it ends up by resending an already existing route.
And for example, on my of my routers : bird> show route all 80.213.72.0/22 Table master4: 80.213.72.0/22 unicast [direct1 2020-07-24] * (240) dev enp2s0 Type: device univ unicast [kernel_grt_ipv4 2020-07-24] (10) dev enp2s0 Type: inherit univ Kernel.source: 16 Kernel.metric: 3 Kernel.prefsrc: 80.213.74.176 Kernel.scope: 253
This route is learned from both direct1 and kernel_grt_ipv4, so it would be re-sent to the kernel if I remove the "import all".
Regards, -- Alarig
-- Sent from my Android device with K-9 Mail. Please excuse my brevity.