Configuring Ospf Dr Election - H3C S5800 Series Configuration Manual

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
In the following figure, OSPF Switches A, B, C and D reside on the same network segment.
It is required to configure Switch A as the DR, and configure Switch C as the BDR.
Figure 4-27 Network diagram for OSPF DR election configuration
Configuration procedure
1) Configure IP addresses for interfaces (omitted)
2) Configure OSPF basic functions
# 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
[SwitchB-ospf-1] quit
# Configure Switch C.
<SwitchC> system-view
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