[FROG] OSPF no working frr 3.0+

[Алексей Болдырев]

Router1:
!
frr version 3.1-dev-frr1
frr defaults traditional
no log monitor
username cumulus nopassword
!
service integrated-vtysh-config
!
log syslog informational
!
router bgp 65301
neighbor 10.247.0.1 remote-as 65500
!
address-family ipv4 unicast
network 10.194.0.0/21
exit-address-family
!
address-family ipv6 unicast
network 2a01:d0:c353:180::/58
neighbor 10.247.0.1 activate
exit-address-family
vnc defaults
response-lifetime 3600
exit-vnc
!
router ospf
ospf router-id 10.0.250.1
network 10.0.250.0/24 area 0
!
router ospf6
interface eth1 area 0.0.0.0
!
ip route 10.194.0.0/21 Null0
ipv6 route 2a01:d0:c353:180::/58 Null0
!
mpls label global-block 16 8092
!
line vty
!
end
router 2:
Current configuration:
!
frr version 3.1-dev
frr defaults traditional
no log monitor
username cumulus nopassword
!
service integrated-vtysh-config
!
log file /var/log/frr/frr.log
!
log timestamp precision 6
!
log syslog informational
!
router ospf
ospf router-id 10.0.250.10
redistribute static
network 10.0.250.0/24 area 0
!
ip route 10.194.2.0/24 Null0
!
line vty
!
end
Router 1:
border# sh ip ospf route
============ OSPF network routing table ============
N 10.0.250.0/24 [10] area: 0.0.0.0
directly attached to eth1

============ OSPF router routing table =============

============ OSPF external routing table ===========

border# sh ip route
Codes: K - kernel route, C - connected, S - static, R - RIP,
O - OSPF, I - IS-IS, B - BGP, P - PIM, E - EIGRP, N - NHRP,
T - Table, v - VNC, V - VNC-Direct,
> - selected route, * - FIB route

K>* 0.0.0.0/0 via 10.247.0.1, eth0
O 10.0.250.0/24 [110/10] is directly connected, eth1, 02:14:23
C>* 10.0.250.0/24 is directly connected, eth1
S>* 10.194.0.0/21 [1/0] is directly connected, Null0, bh
C>* 10.194.0.0/24 is directly connected, null0
B 10.247.0.0/24 [20/0] via 10.247.0.1 inactive, 02:14:21
C>* 10.247.0.0/24 is directly connected, eth0
B>* 10.247.1.0/24 [20/0] via 10.247.0.1, eth0, 02:14:21
B>* 10.247.2.0/24 [20/0] via 10.247.0.1, eth0, 02:14:21
B>* 10.247.203.0/24 [20/0] via 10.247.0.1, eth0, 02:14:21
B>* 10.247.204.0/24 [20/0] via 10.247.0.1, eth0, 02:14:2

Router2:
s1# sh ip route
Codes: K - kernel route, C - connected, S - static, R - RIP,
O - OSPF, I - IS-IS, B - BGP, P - PIM, E - EIGRP, N - NHRP,
T - Table, v - VNC, V - VNC-Direct,
> - selected route, * - FIB route

K>* 0.0.0.0/0 via 10.0.250.1, eth0
O 10.0.250.0/24 [110/10] is directly connected, eth0, 00:32:18
C>* 10.0.250.0/24 is directly connected, eth0
C>* 10.194.1.0/24 is directly connected, eth1
S>* 10.194.2.0/24 [1/0] is directly connected, Null0, bh
s1#

Ospf not working!

It seems to me that this is a bug, since with quagga and the old version of frr everything worked.