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Configuring ospf dr election, Network requirements – H3C Technologies H3C S7500E Series Switches User Manual

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[SwitchC] display ospf routing

OSPF Process 1 with Router ID 10.4.1.1

Routing Tables

Routing for Network

Destination Cost Type NextHop AdvRouter Area

0.0.0.0/0 65536 Inter 10.2.1.1 10.2.1.1 0.0.0.1

10.2.1.0/24 65535 Transit 10.2.1.2 10.4.1.1 0.0.0.1

10.4.1.0/24 3 Stub 10.4.1.1 10.4.1.1 0.0.0.1

Total Nets: 3

Intra Area: 2 Inter Area: 1 ASE: 0 NSSA: 0

4) Configure Switch C to redistribute static routes.

[SwitchC] ip route-static 3.1.3.1 24 11.1.1.1

[SwitchC] ospf

[SwitchC-ospf-1] import-route static

[SwitchC-ospf-1] quit

# Display OSPF routing information on Switch D.

[SwitchD-ospf-1] display ospf routing

OSPF Process 1 with Router ID 10.5.1.1

Routing Tables

Routing for Network

Destination Cost Type NextHop AdvRouter Area

10.2.1.0/24 22 Inter 10.3.1.1 10.3.1.1 0.0.0.2

10.3.1.0/24 10 Transit 10.3.1.2 10.3.1.1 0.0.0.2

10.4.1.0/24 25 Inter 10.3.1.1 10.3.1.1 0.0.0.2

10.5.1.0/24 10 Stub 10.5.1.1 10.5.1.1 0.0.0.2

10.1.1.0/24 12 Inter 10.3.1.1 10.3.1.1 0.0.0.2

Routing for ASEs

Destination Cost Type Tag NextHop AdvRouter

3.1.3.0/24 1 Type2 1 10.3.1.1 10.2.1.1

Total Nets: 6

Intra Area: 2 Inter Area: 3 ASE: 1 NSSA: 0

You can see on Switch D an external route imported from the NSSA area.

Configuring OSPF DR Election

Network requirements

z

In the following figure, OSPF Switches A, B, C and D reside on the same network segment.