3Com 4200G, 5500G, 4210 # Redistribute the static routes, ABR route summarization configuration

Configuring OSPF Route Summarization 119

#Configure the static routes 2.1.3.0/24, 2.1.4.0/24, 2.1.5.0/24, 2.1.6.0/24, and 2.1.7.0/24.

<SwitchC> system-view

[SwitchC] ip route-static 2.1.3.0 24 20.1.2.2

[SwitchC] ip route-static 2.1.4.0 24 20.1.2.2

[SwitchC] ip route-static 2.1.5.0 24 20.1.2.2

[SwitchC] ip route-static 2.1.6.0 24 20.1.2.2

[SwitchC] ip route-static 2.1.7.0 24 20.1.2.2

# Redistribute the static routes and configure the NSSA attribute of Switch C.

[SwitchC] ospf 1 [SwitchC-ospf-1] import-route static

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

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

■Configure Switch B.

#Create VLANs and configure IP addresses for the VLAN interfaces. The configuration procedure is omitted.

#Configure OSPF basic functions. The configuration procedure is omitted.

■Configure Switch D.

#Create VLANs and configure IP addresses for the VLAN interfaces. The configuration procedure is omitted.

#Configure OSPF basic functions. The configuration procedure is omitted.

#Configure the static routes 1.1.3.0/24, 1.1.4.0/24, 1.1.5.0/24, 1.1.6.0/24, and 1.1.7.0/24.

<SwitchD> system-view

[SwitchD] ip route-static 1.1.3.0 24 30.1.2.2

[SwitchD] ip route-static 1.1.4.0 24 30.1.2.2

[SwitchD] ip route-static 1.1.5.0 24 30.1.2.2

[SwitchD] ip route-static 1.1.6.0 24 30.1.2.2

[SwitchD] ip route-static 1.1.7.0 24 30.1.2.2

# Redistribute the static routes.

[SwitchD] ospf 1

[SwitchD-ospf-1] import-route static

ABR route summarization configuration

n This configuration is applicable when an ABR needs to summarize the Type-3 LSAs of an area. The following takes the ABR route summarization configuration on Switch B as an example.

Based on “OSPF basic configuration and area configuration” on page 118, perform the following configuration: