Ospf dr election configuration example, Network requirements, Configuration procedure – H3C Technologies H3C S5560 Series Switches User Manual

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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

The output shows that an external route imported from the NSSA area exists on Switch D.

OSPF DR election configuration example

Network requirements

As shown in

Figure 27

:

Enable OSPF on Switches A, B, C, and D on the same network.

Configure Switch A as the DR, and configure Switch C as the BDR.

Figure 27 Network diagram

Configuration procedure

1.

Configure IP addresses for interfaces. (Details not shown.)

2.

Enable OSPF:
# Configure Switch A.

<SwitchA> system-view

[SwitchA] router id 1.1.1.1

[SwitchA] ospf

[SwitchA-ospf-1] area 0

[SwitchA-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.0.255

[SwitchA-ospf-1-area-0.0.0.0] quit

[SwitchA-ospf-1] quit

# Configure Switch B.

<SwitchB> system-view

[SwitchB] router id 2.2.2.2

[SwitchB] ospf

[SwitchB-ospf-1] area 0

[SwitchB-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.0.255

[SwitchB-ospf-1-area-0.0.0.0] quit

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