Area authentication
To enable authentication for an OSPF area, use the area authentication command in router configuration mode. To remove an authentication specification of an area or a specified area from the configuration, use the no form of this command.
area area-id authentication [message-digest]
no area area-id authentication [message-digest]
area 0 authentication
!−−− Plain text authentication is enabled for
!−−− all interfaces in Area 0.
!---- Should be enable on all the Routers
Eg:-
Router ospf 10
log−adjacency−changes
network 70.0.0.0 0.255.255.255 area 0
network 192.16.64.0 0.0.0.255 area 0
area 0 authentication Under Ospf process
To enable authentication for an OSPF area, use the area authentication command in router configuration mode. To remove an authentication specification of an area or a specified area from the configuration, use the no form of this command.
area area-id authentication [message-digest]
no area area-id authentication [message-digest]
area 0 authentication
!−−− Plain text authentication is enabled for
!−−− all interfaces in Area 0.
!---- Should be enable on all the Routers
Eg:-
Router ospf 10
log−adjacency−changes
network 70.0.0.0 0.255.255.255 area 0
network 192.16.64.0 0.0.0.255 area 0
area 0 authentication Under Ospf process
