bird does not install route to the kernel

[Baptiste Jonglez]

Please show your configuration, especially the kernel protocol.  You need
an appropriate export filter.

On Thu, Aug 25, 2016 at 05:22:33PM +0300, Volodymyr Samodid wrote:
> Hi community,
> i played with bird6 and ospf3 and faced with issue.
> In my schema bird does not install route to the kernel, but propagates route
> to another ospfv3 routers. That leads to routing loop.
> 
> Here is simple schema:
> 
> eth0 ------- R0 ------- eth1 ------- bridge ------ eth0 ------- R1
> 
> ospfv3 made  adjacency
> 
> R0
> bird> show ospf neighbors
> TEST_OSPF:
> Router ID       Pri          State      DTime   Interface  Router IP
> 198.51.100.11     1     Full/BDR        00:34   eth1
> fe80::602c:e2ff:fe96:9c41
> 
> R1
> bird> show ospf neighbors
> TEST_OSPF:
> Router ID       Pri          State      DTime   Interface  Router IP
> 198.51.100.10     1     Full/DR         00:34   eth0
> fe80::88e0:e3ff:fe08:7842
> 
> 
> Now add ipv6 address to eth1 on R0
> 
> R0# ip a add 2001:DB8::1/64 dev eth1
> 
> on R1, got next
> 
> bird> >>> TEST_OSPF > added [best] 2001:db8::/64 dev eth0
> bird> show route
> 2001:db8::/64      dev eth0 [TEST_OSPF 13:58:11] * I (150/10)
> [198.51.100.11]
> 
> R1# ip -6 ro s
> fe80::/64 dev eth0  proto kernel  metric 256  pref medium
> 
> added ipv6 address to eth0 on R0
> 
> R0# ip a add 2001:DB8:1::1/64 dev eth0
> 
> on R1
> bird> >>> TEST_OSPF > added [best] 2001:db8:1::/64 via
> fe80::88e0:e3ff:fe08:7842 on eth0
> >>> kernel1 < added 2001:db8:1::/64 via fe80::88e0:e3ff:fe08:7842 on eth0
> bird> show route
> 2001:db8::/64      dev eth0 [TEST_OSPF 13:58:11] * I (150/10)
> [198.51.100.11]
> 2001:db8:1::/64    via fe80::88e0:e3ff:fe08:7842 on eth0 [TEST_OSPF
> 14:05:31] * I (150/20) [198.51.100.10]
> 
> R1# ip -6 ro s
> 2001:db8:1::/64 via fe80::88e0:e3ff:fe08:7842 dev eth0  proto bird metric
> 1024  pref medium
> fe80::/64 dev eth0  proto kernel  metric 256  pref medium
> 
> R1## ip monitor route
> 2001:db8:1::/64 via fe80::88e0:e3ff:fe08:7842 dev eth0  proto bird metric
> 1024  pref medium
> 
> I can add such route manual.
> R1# ip ro add 2001:db8::/64 dev eth0
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