- Network requirements
• • All switches run OSPF, and the entire AS is divided into three areas.
• • Switch A and Switch B as ABR to forward routing information between areas.
• • After configuration, all switches can learn routes to every network segment in the AS.
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Step 2. Configuration
(1) Configuration of IP address for each interface
(2) Basic Configuration Configuration OSPF
configuration SwitchA
配置SwitchB
Configuration SwitchC
Configure SwitchD
3. Verify View
View OSPF neighbors of Switch A
OSPF routing information on Switch A
See Switch D OSPF routing information for use in the Ping Test connectivity Switch D