Ospfv3 nssa area configuration example, Network requirements – H3C Technologies H3C S5560 Series Switches User Manual
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Preference : 10
*Destination: 2001:3::/64
Type : IA Cost : 4
NextHop : FE80::F40D:0:93D0:1 Interface: Vlan400
AdvRouter : 3.3.3.3 Area : 0.0.0.2
Preference : 10
Total: 5
Intra area: 1 Inter area: 4 ASE: 0 NSSA: 0
The output shows that a default route is added, and its cost is the cost of a direct route plus the
configured cost.
4.
Configure Area 2 as a totally stub area:
# Configure Area 2 as a totally stub area on Switch C.
[SwitchC-ospfv3-1-area-0.0.0.2] stub no-summary
# Display OSPFv3 routing table information on Switch D.
[SwitchD] display ospfv3 routing
OSPFv3 Process 1 with Router ID 4.4.4.4
-------------------------------------------------------------------------
I - Intra area route, E1 - Type 1 external route, N1 - Type 1 NSSA route
IA - Inter area route, E2 - Type 2 external route, N2 - Type 2 NSSA route
* - Selected route
*Destination: ::/0
Type : IA Cost : 11
NextHop : FE80::F40D:0:93D0:1 Interface: Vlan400
AdvRouter : 4.4.4.4 Area : 0.0.0.2
Preference : 10
*Destination: 2001:2::/64
Type : I Cost : 1
Nexthop : :: Interface: Vlan400
AdvRouter : 4.4.4.4 Area : 0.0.0.2
Preference : 10
Total: 2
Intra area: 1 Inter area: 1 ASE: 0 NSSA: 0
The output shows that route entries are reduced. All indirect routes are removed, except the default
route.
OSPFv3 NSSA area configuration example
Network requirements
As shown in
:
•
Configure OSPFv3 on all switches and split the AS into three areas.