For example:
[R7] > /routing ospf interface print
Flags: X - disabled, I - inactive, D - dynamic, P - passive
# INTERFACE COST PRIORITY NETWORK-TYPE AUTHENTICATION AUTHENTICATION-KEY
0 l2tp-R2 60 1 point-to-point none
1 DP loopback 10 1 broadcast none
2 D l2tp-R1
[R7] > /routing ospf neighbor print
0 instance=default router-id=172.16.25.2 address=172.16.26.132 interface=l2tp-R2 priority=1 dr-address=0.0.0.0 backup-dr-address=0.0.0.0 state="Full" state-changes=4 ls-retransmits=0 ls-requests=0 db-summaries=0 adjacency=1m26s
1 instance=default router-id=172.16.25.1 address=172.16.26.1 interface=l2tp-R1 priority=1 dr-address=0.0.0.0 backup-dr-address=0.0.0.0 state="Full" state-changes=4 ls-retransmits=0 ls-requests=0 db-summaries=0 adjacency=7h32m45s
[R7] > ping 172.16.25.1
SEQ HOST SIZE TTL TIME STATUS
0 172.16.25.1 56 64 548ms
1 172.16.25.1 56 64 549ms
sent=2 received=2 packet-loss=0% min-rtt=548ms avg-rtt=548ms max-rtt=549ms
[R7] > ping 172.16.25.2
SEQ HOST SIZE TTL TIME STATUS
0 172.16.25.2 timeout
1 172.16.25.2 timeout
2 172.16.25.2 timeout
[R7] > /ip route print
Flags: X - disabled, A - active, D - dynamic, C - connect, S - static, r - rip, b - bgp, o - ospf, m - mme, B - blackhole, U - unreachable, P - prohibit
# DST-ADDRESS PREF-SRC GATEWAY DISTANCE
4 ADo 172.16.25.1/32 172.16.26.1 110
5 ADo 172.16.25.2/32 172.16.26.1 110
R2]/ip route print
Flags: X - disabled, A - active, D - dynamic, C - connect, S - static, r - rip, b - bgp, o - ospf, m - mme, B - blackhole, U - unreachable, P - prohibit
# DST-ADDRESS PREF-SRC GATEWAY DISTANCE
5 ADo 172.16.25.1/32 172.16.27.1 110
6 ADC 172.16.25.2/32 172.16.25.2 loopback 0
9 ADo 172.16.25.7/32 172.16.26.137 110
[R1] /ip route> print
Flags: X - disabled, A - active, D - dynamic, C - connect, S - static, r - rip, b - bgp, o - ospf, m - mme, B - blackhole, U - unreachable, P - prohibit
# DST-ADDRESS PREF-SRC GATEWAY DISTANCE
7 ADC 172.16.25.1/32 172.16.25.1 loopback 0
8 ADo 172.16.25.2/32 172.16.27.2 110
9 ADo 172.16.25.5/32 172.16.27.2 110
11 ADo 172.16.25.7/32 172.16.26.7 110