:SW2
ipv6 unicast-routing
ipv6 router ospf 1
router-id 10.1.4.75
exit
interface vlan 2
ipv6 address 2001:10::1/125
ipv6 ospf 1 area 0.0.0.46
exit
!
interface vlan 3
ipv6 address 2001:10::5/126
ipv6 ospf 1 area 0.0.0.46
exit
!
interface vlan 882
ipv6 address 2001:67c:233c:b813::1/119
ipv6 ospf 1 area 0.0.0.0
exit
!
interface vlan 1858
ipv6 address 2001:67c:233c:b814::2/119
ipv6 ospf 1 area 0.0.0.46
exit

:SW3
ipv6 unicast-routing
interface vlan 882
ipv6 address 2001:67c:233c:b813::2/119
ipv6 ospf 1 area 0.0.0.0
exit
ipv6 router ospf 1
router-id 10.1.4.1
exit