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Tuesday, June 14, 2011

Area authentication in ospf

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



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