See the solution below in Explanation:
Solution:
R1
config
flow exporter Export-NetFlowENCOR
transport udp 2055
ip sla schedule 100 life forever start-time now
wr
Sw1
monitor session 11 source interface e0/2
monitor session 11 destination interface et1/1
OR
R30
Config t
router ospf 10
router-id 10.0.1.30
int ran lo0 , e0/0-1
ip ospf 10 a 0
exit
int et0/2
ip ospf 10 a 50
area 50 range 10.10.0.0 255.255.128.0
area 50 range 10.50.0.0 255.255.128.0
end
R10
Copy run start
R20
Verification:
en
Conf t
Router ospf 10
Router-id 10.x.x.x – lo0 address
Int range lo0, e0/0-1
Ip ospf 10 area 0
Exit
R2
Area 10 range 10.1.0.0 255.255.0.0
R3
Area 10 range 10.2.0.0 255.255.0.0
Wr
Solution: -
Config#int et0/1
config-if#ip ospf priority 255
clear ip ospf process
yes
int et0/0
ip ospf priority 0
router ospf 100
ip ospf 100 a 0
ip ospf 100 a 50
router ospf 30
area 50 range 10.10.0.0 255.255.192.0
area 50 range 10.50.0.0 255.255.192.0
Int e0/1
Ip ospf priority 255
End
Ip ospf network point-to-point
Int e0/0
Sw10
no int po1
default int ran et0/0-2
int ran e0/0-2
switchport trunk encap dot1q
switchport mode trunk
channel-group 1 mode active
no shut