WB1 6.17 OSPF Clear Text Authentication

R3:

interface FastEthernet0/0
  ip ospf authentication
  ip ospf authentication-key CLEARKEY

R6:

interface FastEthernet0/0.67
  ip ospf authentication
  ip ospf authentication-key CLEARKEY

SW3:

interface Vlan79
  ip ospf authentication
  ip ospf authentication-key CLEARKEY

SW1:

interface Vlan67
  ip ospf authentication-key CLEARKEY
!
interface Vlan79
  ip ospf authentication-key CLEARKEY
!
interface FastEthernet1/0/3
  ip ospf authentication-key CLEARKEY
!
router ospf 1
  area 2 authentication