H3C Technologies H3C S7500E Series Switches - Manual (Page 140)

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z Configure Switch C as an ASBR to redistribute external routes (static routes), and configure a filter
policy on Switch C to filter out redistributed route 3.1.3.0/24.
z Configure a route policy on Switch A to filter route 10.5.1.0/24.
Figure 4-29 Network diagram for OSPF route filtering configuration
Configuration procedure
1) Configure IP addresses for interfaces (omitted)
2) Configure OSPF basic functions (See Configuring OSPF Basic Functions ).
3) Configure OSPF to redistribute routes.
# On Switch C, configure a static route destined for network 3.1.1.0/24.
<SwitchC> system-view
[SwitchC] ip route-static 3.1.1.0 24 10.4.1.2
# On Switch C, configure a static route destined for network 3.1.2.0/24.
[SwitchC] ip route-static 3.1.2.0 24 10.4.1.2
# On Switch C, configure a static route destined for network 3.1.3.0/24.
[SwitchC] ip route-static 3.1.3.0 24 10.4.1.2
# On Switch C, configure OSPF to redistribute static routes.
[SwitchC] ospf 1
[SwitchC-ospf-1] import-route static
[SwitchC-ospf-1] quit
# Display the OSPF routing table of Switch A.
<SwitchA> display ip routing-table
Routing Tables: Public
Destinations : 12 Routes : 12
Destination/Mask Proto Pre Cost NextHop Interface
3.1.1.0/24 O_ASE 150 1 10.2.1.2 Vlan200
3.1.2.0/24 O_ASE 150 1 10.2.1.2 Vlan200
3.1.3.0/24 O_ASE 150 1 10.2.1.2 Vlan200
10.1.1.0/24 Direct 0 0 10.1.1.1 Vlan200
10.1.1.1/32 Direct 0 0 127.0.0.1 InLoop0
10.2.1.0/24 Direct 0 0 10.2.1.1 Vlan200
10.2.1.1/32 Direct 0 0 127.0.0.1 InLoop0
10.3.1.0/24 OSPF 10 4 10.1.1.2 Vlan100
10.4.1.0/24 OSPF 10 13 10.2.1.2 Vlan200