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DES-7200 Configuration Guide Chapter 4 OSPF
Configuration
4-70
DES-7200(config)# router ospf 1
DES-7200(config-router)# graceful-restart
DES-7200(config-router)# graceful-restart helper strict-lsa-checking
4.4.13 OSPF Stub Router Configuration Example
Requirements
For four devices form a OSPF routing domain. The connection layout is shown
below. According to the rule for best route selection, the path from Router D to
subnet A must pass Router B. It is expected the route can pass Router C instead
by configuring Router B only.
OSPF Stub Router configuration example
It is required that Router B only advertise the route to Subnet B, and other routes
shall be advertised by Router C.
Detailed configurations
Configure IP addresses and OSPF processes on four devices, and execute the
following configurations after adjacencies have been established successfully.
Configurations on Switch D:
# Configure Ethernet interface
interface gigabitEthernet 0/1
ip ospf cost 10
interface gigabitEthernet 0/2
ip ospf cost 1
Configurations on device C: