Configuring ospf to advertise a summary route, Network requirements, Configuration procedure – H3C Technologies H3C S12500 Series Switches User Manual
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Routing for ASEs
Destination Cost Type Tag NextHop AdvRouter
3.1.2.0/24 1 Type2 1 10.3.1.1 10.4.1.1
Total Nets: 6
Intra Area: 2 Inter Area: 3 ASE: 1 NSSA: 0
Configuring OSPF to advertise a summary route
Network requirements
•
Configure OSPF on Switch A and Switch B in AS 200.
•
Configure OSPF on Switch C, Switch D, and Switch E in AS 100.
•
Configure an EBGP connection between Switch B and Switch C. Configure Switch B and Switch C
to redistribute OSPF routes and direct routes into BGP and BGP routes into OSPF.
•
Configure Switch B to advertise only summary route 10.0.0.0/8 to Switch A.
Figure 42 Network diagram
Configuration procedure
1.
Configure IP addresses for interfaces. (Details not shown.)
2.
Configure basic OSPF:
# Configure Switch A.
[SwitchA] ospf
[SwitchA-ospf-1] area 0
[SwitchA-ospf-1-area-0.0.0.0] network 11.2.1.0 0.0.0.255
[SwitchA-ospf-1-area-0.0.0.0] quit
[SwitchA-ospf-1] quit
# Configure Switch B.