MikroTik RouterOS v2.9 Reference Manual page 134

C - connect, S - static, r - rip, o - ospf, b - bgp
# DST-ADDRESS
0 Do 192.168.0.0/24
1 Io 10.3.0.0/24
2 DC 10.3.0.0/24
3 Do 10.2.0.0/24
4 Io 10.1.0.0/24
5 DC 10.1.0.0/24
On OSPF_peer_2:
[admin@OSPF_peer_2] > ip route print
Flags: X - disabled, I - invalid, D - dynamic, J - rejected,
C - connect, S - static, r - rip, o - ospf, b - bgp
# DST-ADDRESS
0 Do 192.168.0.0/24
1 Io 10.3.0.0/24
2 DC 10.3.0.0/24
3 Io 10.2.0.0/24
4 DC 10.2.0.0/24
5 Do 10.1.0.0/24
Functioning of the Backup
If the link between routers OSPF_MAIN and OSPF_peer_1 goes down, we have the following
situation:
The OSPF routing changes as follows:
Routes on OSPF_MAIN router:
[admin@OSPF_MAIN] ip route> print
Flags: X - disabled, I - invalid, D - dynamic, J - rejected,
C - connect, S - static, r - rip, o - ospf, b - bgp
# DST-ADDRESS
Page 120 of 695
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G GATEWAY
r 10.1.0.2
r 0.0.0.0
r 10.1.0.2
r 0.0.0.0
G GATEWAY
r 10.2.0.2
r 0.0.0.0
r 0.0.0.0
r 10.2.0.2
G GATEWAY
DISTANCE INTERFACE
110 to_main
110
0 backup
110 to_main
110
0 to_main
DISTANCE INTERFACE
110 to_main
110
0 to_peer_1
110
0 to_main
110 to_main
DISTANCE INTERFACE