310 CHAPTER 28: OSPF CONFIGURATION
Configuring OSPF Basic
Functions
Network requirements
As shown in the following figure, all switches run OSPF. The AS is split into three
areas, in which, Switch A and Switch B act as ABRs to forward routing information
between areas.
After configuration, all switches can learn routes to every network segment in the
AS.
Network diagram
Figure 93 Network diagram for OSPF basic configuration
Configuration procedure
1 Configure IP addresses for interfaces (omitted)
2 Configure OSPF basic functions
# Configure Switch A.
<SwitchA> system-view
[SwitchA] ospf
[SwitchA-ospf-1] area 0
[SwitchA-ospf-1-area-0.0.0.0] network 10.1.1.0 0.0.0.255
[SwitchA-ospf-1-area-0.0.0.0] quit
[SwitchA-ospf-1] area 1
[SwitchA-ospf-1-area-0.0.0.1] network 10.2.1.0 0.0.0.255
[SwitchA-ospf-1-area-0.0.0.1] quit
[SwitchA-ospf-1] quit
# Configure Switch B.
<SwitchB> system-view
[SwitchB] ospf
[SwitchB-ospf-1] area 0
[SwitchB-ospf-1-area-0.0.0.0] network 10.1.1.0 0.0.0.255
[SwitchB-ospf-1-area-0.0.0.0] quit
[SwitchB-ospf-1] area 2
[SwitchB-ospf-1-area-0.0.0.2] network 10.3.1.0 0.0.0.255
[SwitchB-ospf-1-area-0.0.0.2] quit
[SwitchB-ospf-1] quit
# Configure Switch C
Area 0
Area 1
Area 2
Switch C
Vlan-int100
10.1.1.2/24
Vlan-int100
10.1.1.1/24
Vlan-int300
10.4.1.1/24
Vlan-int200
10.2.1.2/24
Switch B
Vlan-int200
10.3.1.1/24
Vlan-int200
10.3.1.2/24
Switch A
Vlan-int200
10. 2.1 .1/24
Vlan-int300
10.5.1.1/24
Switch D
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