H3C Technologies H3C S12500-X Series Switches User Manual

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[SwitchB-ospf-1] quit

# Configure Switch C.

system-view

[SwitchC] ospf 1 router-id 3.3.3.3

[SwitchC-ospf-1] area 1

[SwitchC-ospf-1-area-0.0.0.1] network 10.2.1.0 0.0.0.255

[SwitchC-ospf-1-area-0.0.0.1] quit

[SwitchC-ospf-1] area 2

[SwitchC–ospf-1-area-0.0.0.2] network 10.3.1.0 0.0.0.255

[SwitchC–ospf-1-area-0.0.0.2] quit

[SwitchC-ospf-1] quit

# Configure Switch D.

system-view

[SwitchD] ospf 1 router-id 4.4.4.4

[SwitchD-ospf-1] area 2

[SwitchD-ospf-1-area-0.0.0.2] network 10.3.1.0 0.0.0.255

[SwitchD-ospf-1-area-0.0.0.2] quit

# Display the OSPF routing table on Switch B.

[SwitchB] display ospf routing

OSPF Process 1 with Router ID 2.2.2.2

Routing Tables

Routing for Network

Destination Cost Type NextHop AdvRouter Area

10.2.1.0/24 2 Transit 10.2.1.1 3.3.3.3 0.0.0.1

10.1.1.0/24 2 Transit 10.1.1.2 2.2.2.2 0.0.0.0

Total Nets: 2

Intra Area: 2 Inter Area: 0 ASE: 0 NSSA: 0

Area 0 has no direct connection to Area 2, so the routing table of Switch B has no route to Area
2.

Configure a virtual link:
# Configure Switch B.

[SwitchB] ospf

[SwitchB-ospf-1] area 1

[SwitchB-ospf-1-area-0.0.0.1] vlink-peer 3.3.3.3

[SwitchB-ospf-1-area-0.0.0.1] quit